Answers
Answer:
The color of a dog's fur with the genes aabb would be yellow. So, in other words, Option A is correct.
Hope this helped :D Happy holidays! :D
Epistasis is the effect or character appear due to the interaction between genes. Here, the alleles responsible for the color of dog's fur show epistasis and the progeny with (aabb) genotype will show white colored fur. Thus, the correct option is D.
What is Epistasis?
Epistasis is also known as gene masking, where the expression of one gene is modified or masked or suppressed by the expression of another gene or more other genes. In this, more than one gene controls a specific character such as fur color, etc.
Epistasis is of different types such as dominant epistasis, recessive epistasis depending upon the effect of genes.
Here, the progenies with AABB genotype show black colored fur, the progeny with Aabb show brown colored fur, the progeny with genotype aaBB show yellow colored fur, and therefore, the progeny with genotype aabb i.e., both the recessive genes will show white colored dog fur.
Therefore, the correct option is D.
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Related Questions
what is Baltimore classification of viruses
Answers
The Baltimore classification of viruses is a system developed by David Baltimore, allowing for the naming and grouping of RNA or DNA viruses according to their modes of replication.
ANSWER BY AN AI
Answer:
jhiuyhtfgkuguftmff
Explanation:
Name at least three hormones which are used commercially and list why they are used.
Answers
Answer:
Auxins, Ethene and Cytopkinins
Explanation:
Auxins used in commercial fo Crop production.
Ethene used in commercial to fruit to ripen.
Cytokinins used in commercial to reduce yellowing in green vegetables.
Auxins are utilized in the commercial production of crops. Ethene is a commercial fruit ripening agent. Cytokinins are used commercially to stop green crops from turning yellow.
What are plant hormones?
Almost every element of plant growth and reaction to its environment is regulated by plant hormones. Numerous plant hormones play important roles in the interactions between plants and helpful microorganisms because they are active at extremely low concentrations and have precise spatial control of synthesis and response.
The "The Role of Plant Hormones in Plant-Microbe Symbioses" special issue offers fresh information on the functions of hormones produced from both the plant and the microbial partner in symbiosis establishment and communication. This includes the close symbioses that the majority of terrestrial plants have with arbuscular mycorrhizal (AM) fungi, as well as the more recently acquired nodulation—symbioses between a select group of plants in the fabid clade and nitrogen-fixing bacteria.
The articles in this special issue also look at how hormones affect how plants interact with ectomycorrhizae, endophytic bacteria, and fungi, and helpful microorganisms that stick to the surfaces of the leaves and roots. Many hormones can interact with one another in addition to acting directly to regulate the growth of these symbioses, and these intricate networks are just beginning to emerge.
Therefore, various plant hormones are used commercially.
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If a brown-eyed mother and a blue-eyed father have four children, three will probably have brown eyes. What can you conclude from this?
A. Brown eyes are a successive trait
B. Brown eyes are a submissive trait
C. Brown eyes are a recessive trait
D. Brown eyes are a dominant trait
Answers
Answer:
D. Brown eyes are a Dominant Trait
Explanation:
name the star shaped cells present in hydrophytes
Answers
Answer:
Astrosclereids are star-shaped, having various branches or arms. They are found in intercellular spaces of leaves and stems of many hydrophytes like Nymphaea.
The movement of small organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the intestinal fluid of the digestive tract is called what then? I can understand if going into the interstitial fluid of the digestive tract that it would be called Absorption; however, what is it called when it moves into the intestinal fluid of the digestive tract?
Answers
Answer:
As you have learned, the process of mechanical digestion is relatively simple. It involves the physical breakdown of food but does not alter its chemical makeup. Chemical digestion, on the other hand, is a complex process that reduces food into its chemical building blocks, which are then absorbed to nourish the cells of the body. In this section, you will look more closely at the processes of chemical digestion and absorption.
This diagram identifies the functions of mechanical and chemical digestion and absorption at each organ. Next to each organ, a callout identifies which steps of digestion take place in that particular organ.
Explanation:
What is the only thing recycled during the ATP-ADP cycle? *
О
ADP
ОАТР
O Glucose
Sugar Ring
Answers
The state of Georgia has a yearly energy surplus.
Question 8 options:
a) True
b) False
Answers
Answer: A
Explanation:
True state of Georgia has a yearly energy surplus.
Does Georgia use more energy than it generates?
Georgia is among the top 10 electricity-producing states, the state typically uses more power than it generates.
What energy source does Georgia use?Nearly 75% of Georgia's electricity generation comes from hydro production (75.3% in 2019), with the remainder produced from natural gas and from a 20.7 MW wind power plant .
Hence, correct option is :True
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why is it important to use weakened virus in vaccine
Answers
Answer:
It is important for you to use a weakened virus in the vaccine so once injected in your system not only is your body learning to FIGHT the virus but you will become immune to it once your body has practically gotten a taste of it. for example some anti venom antitodes use the ACTUAL venom aswell its vital in vaccines.
Explanation:
which type of organism can use photosynthesis to make food
Answers
Answer:Plants
Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis (Figure 1). Because they use light to manufacture their own food, they are called photoautotrophs (literally, “self-feeders using light”).
Explanation:
Answer:
All plants with green leaves, from the tiniest mosses to towering fir trees, synthesize, or create, their own food through photosynthesis. Algae, phytoplankton, and some bacteria also perform photosynthesis. Some rare autotrophs produce food through a process called chemosynthesis, rather than through photosynthesis.
Glucose break down during cellular respiration.
O True
O False yes
Answers
True
why do earthquakes and volcanoes occur a long destructive and conservation plate boundaries?
Answers
Answer:
because the plates do not pass smoothly there will be some interaction in both of them
why don't we have the same means of livelihood in the different provinces and regions of the country?
Answers
I don't know........,...........................................
Answer:
there are differenties on the place and people we grew up with
In crrying the microscope hold firmly the microscope's arm with one hand and place the other hand under the base for suport
Answers
Answer:
whats your question?
Explanation:
Mark and Michelle both have dark hair, which is a dominant trait. But their first child is blonde. Which is the most likely explanation
Answers
Another gene caused the alleles for brown hair to deactivate.
It's not possible--Mark can't be the real father.
One of the two has a blonde allele that is dominant in the child.
Answer:
They are heterozygous for the dark hair.
White-tailed deer raise their tails when they spot a predator approaching; the predator typically gives up its pursuit once it knows that the faster prey species has seen it. This is an example of
Answers
How the form of ostrich’s eggs help the bird survive?
Answers
Answer:
Adaptations that make ostriches fast on land but unable to fly include long legs with strong muscles, thick bones and powerful 2-toed feet
IS THIS RIGHT IF NOT CAN SOMEONE TELL ME WHAT IS THE RIGHT AWNSER <3
Answers
Answer:
No
Explanation:
It mainly happens in the Liver
Answer:
right answer is LIVER
Explanation:
byee :)
Which of the following changes would likely increase rates of photosynthesis?
Decreasing the temperature
Decreasing the carbon dioxide
O Increasing the carbon dioxide
Increasing the distance of a plant from a light source
Answers
In three to five sentences, describe the advantages and disadvantages of these maps in modeling mitosis. I will give brainliest to best answer
Answers
Introduction
In order for organisms to grow, cells have two options: they must either replicate themselves to create more cells, or the cells themselves must expand in volume. In humans, tissues such as the skin and blood contain cells that are actively dividing, whilst other tissues such as fat contain cells that expand (good if you need energy for winter, bad if you are trying to fit into some expensive jeans). Other cells, such as neurons, will never divide again once they are terminally differentiated; they are post-mitotic.
In the process of replicating themselves, cells have another choice: do they want to make an identical copy and be left with two cells? Or do they want to make four “half-copies”, in preparation for sexual reproduction, where their genetic content will be made whole again by the process of fertilisation? This choice is the choice between mitosis and meiosis.
Difference Between Mitosis and Meiosis
This article will explore the characteristics of both kinds of cell division, shining a light on how they are similar and in which aspects they are crucially distinct. We will also explore the research into these processes and how cell division might go awry to cause disease states such as cancer and Down’s Syndrome.
Mitosis vs. Meiosis: Overview and commonly asked questions
Mitosis
Meiosis
What is the purpose of this process?
In a unicellular organism, the purpose of mitosis is to proliferate asa species. In a multicellular organism, the purpose can be to grow during development, or to repair or regenerate
adamaged tissue, for example.
To create gametes with only one copy of the organism’s genetic information, in preparation for sexual reproduction. Various steps in meiosis create opportunity for genetic diversity in the daughter cells. This is the raw substrate for evolution.
What is the outcome of this process?
Two diploid cells with identical genetic information.
Four haploid cells with different genetic information.
Which organisms perform this process?
Mitosis is performed by unicellular and multicellular eukaryotes.Bacteria have their own version of mitosis called “binary fission”.This is distinct from meiosis as bacteria typically have one circular chromosome,which is not contained within a nucleus, like eukaryotic chromosomes.
Only organisms which perform sexual reproduction. Archaeaand bacteria do not do this, so it might be tempting to think that unicellularorganisms do not sexually reproduce. However, there are exceptions; buddingyeast will form haploid spores under nutritional deprivation.
How long does this process take?
Mitosis is usually shorter than meiosis. The process can take over 10 hours for mammalian cells in culture [2], budding yeast can take ~80 minutes to complete a cell cycle [3], whilst bacteria can divide every 20 minutes.
Meiosis has various timescales in different organisms, which can be affected by several factors including temperature and environment of the organism, and the amount of nuclear DNA. The process lasts 6 hours in yeast but can last more than 40 years in human females, due to a developmental hold at prophase I, until ovulation. Other examples are 1-2 days in male fruit flies and ~ 24 days in human males. [1]
What is an example of a disease caused by an error in this process?
Uncontrolled mitosis occurs in cancer, where either genes that stop cell division (tumour suppressors) are switched off, or genes that encourage cell division (oncogenes) are overactive.
Errors in meiosis can lead to the wrong number of chromosomes ending up in germ cells, this is called aneuploidy. This can trigger miscarriage, but is occasionally tolerated. One example is Down’s syndrome, caused by trisomy 21. Another example is Klinefelter syndrome, where XY males have an additional X chromosome.
Summary
Meiosis and mitosis both have a prophase, metaphase, anaphase, telophase and cytokinesis.
In meiosis, prophase, metaphase, anaphase and telophase occur twice. The first round of division is special, but the second round is more like mitosis.
In mitosis, prophase, metaphase, anaphase and telophase occur once.
Prophase
Chromosomes condense and the centrosomes begin to form an early spindle.
Meiotic prophase I is much longer that mitotic prophase.
During prophase I homologous chromosomes make contacts with each other called chiasmata and “crossing over” occurs. This is where chromosomes exchange sections of DNA. This is important for generating genetic diversity but is also crucial mechanically to hold homologous chromosomes together.
Mitotic prophase is much shorter that meiotic prophase I.
There is no crossing over in mitosis.
(Im a really fast typer)
Answer:
Cells have to do a few things, first they either have to replicate themselves, or they must expand. In our human bodies our cells do both. Replicating when we break skin, and expanding for the winter. Some cells never divide though. But cells also have to choose is they will make identical copies, or 4 half copies. Half copies have a sexual re-productions. And this is the choice of mitosis and meiosis.
Explanation:
I just made a quick summery of the long essay above, I'm not sure if it's totally correct, but I hope it helps!
1)
A hummingbird may need to consume up to 50% of its body weight in sugar each day, just to meet its energy needs. Some of this energy is stored and some is used for metabolic activities, but much of the energy is
A)
converted into amino acids needed for the production of starch
B)
released as heat energy back into the hummingbird's environment
C)
changed into radiant energy, which can be used by plants for photosynthesis
D)
used to synthesize inorganic compounds necessary for cellular respiration
Answers
Energy conversions are common in nature. Much of the energy from the breakdown of the hummingbird body weight is released as heat energy back into the hummingbird's environment.
According to the laws of thermodynamics, energy is neither created nor destroyed but is converted from one form to another. Living things take in food to release energy to carry out their daily activities.
Sometimes, energy is obtained from the breakdown of body fat. In either case, much of this energy is released back into the environment as heat energy.
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How does reproduction in humans compare to reproduction and other animals such as fish, birds and reptiles?
Answers
Answer:
It compares because all of them reproduce the same way with varied offspring instead of identical.
In which location would light travel at the highest speed?
O A. In a swimming pool
B. Within a glass fiber
O C. Within a diamond
O D. Between the Sun and Earth
Answers
Answer:
D. Between the Sun and Earth
Explanation:
It travels fastest in vacuum So I’m making an educated gas and saying it’s D I could be wrong though.
Answer:
D. Between the Sun and Earth
Explanation:
quiz
What is consciousness ?
Answers
Answer:
consciousness is the difference between a rock and a hard place to stay in 6
Consciousness is a complex and multifaceted phenomenon that refers to our subjective Consciousness of the world and ourselves.
Consciousness encompasses our awareness, perception, thoughts, emotions, and the sense of self.
Some theories of Consciousness:
1. Dualism: According to dualism, the mind or consciousness exists independently of the brain and can potentially survive even after the death of the body.
2. Materialism: Also known as physicalism. According to materialism, consciousness is an emergent property of the complex interactions among neurons, neural networks, and brain structures.
3. Integrated Information Theory (IIT): According to IIT, consciousness emerges when information is both highly integrated (information is interconnected) and highly differentiated (information is diverse).
4. Global Workspace Theory (GWT): The global workspace is a dynamic neural network that allows information to be shared across different cognitive processes and enables access to conscious awareness.
5. Phenomenal consciousness vs. Access consciousness: Phenomenal consciousness refers to what it feels like to experience something, while access consciousness pertains to the ability to use that experience for various cognitive tasks.
Thus, the term "consciousness" refers to our individualized perception of the outside world and of ourselves.
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Use the information to draw an inference about why red beryl has been found in only four places on Earth.
Answers
Answer:
The volcanoes with that type of lava are only found in four places on Earth, it can't be made anywhere else.
Explanation:
Red beryl is one of the rarest minerals in the world. Because it is so rare, red beryl is about 1000 times more valuable than gold. Read the passage that describes how red beryl forms. Use the information to draw an inference about why red beryl has been found in only four places on Earth.
1. Two cats are mated. One of the parent cats is long-haired (recessive allele). The offspring of the two cats are: two short-haired and three long-haired kittens. What does the second parent look like (phenotype), and what is its genotype? Make a punnet square.
Answers
Answer:
2 Hh- short-haired kitten
2hh- long-haired kitten
Explanation:
Parental phenotypes: long-haired short-haired
Parental genotypes: hh × Hh(second parent)
Genotypes of F1 generation: Hh, hh, Hh, hh
2 Hh- short-haired kitten
2hh- long-haired kitten
which type of restraint equipment works well in controlling the head movement of a large dog?
Answers
Answer:
Standing restraint
Explanation:
place one arm under the dog's neck with the forearm holding the head
Standing restraint equipment works well in controlling the head movement of a large dog. The correct option is (C).
What do you mean by standing restraint?Standing restraint is place one arm under the dog's neck with the forearm, holding the head. The other arm is placed around the animal's body to pull it close to the handler. Can be used on floor or table. Use.
Place one arm under the dog's neck and place your hand onto the side of the head. Pull the dog's head gently into your body. Place your other arm over and around the dog's hindlimbs. This technique can be used to encourage the dog to sit if it is standing, by applying gentle pressure.
There are three types of restraints: physical, chemical and environmental. Physical restraints limit a patient's movement. Chemical restraints are any form of psychoactive medication used not to treat illness, but to intentionally inhibit a particular behaviour or movement.
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Your question is incomplete, but most probably your full question was,
Which type of restraint equipment works well in controlling the head movement of a large dog?
A. Leash
B. Hands
C. Standing restraint
D. Towels
Q. Which increased age skeletal muscle show?
A. An increase in muscle fiber diameter
B. A decrease in the number of myofibrils
C. A tendency to fatigue less rapidly
D. Increased glycogen reserves.
E. No change in oxygen storage capability.
Answers
Answer:
i do not know if there are more than one answer but d and a both sound right to me
Explanation:
Which side is hypertonic ? A or B ?
Which side will gain water
What is c ?
Answers
Answer:
B IS HYPERTONIC
A WILL RECIEVE MORE
C IS MEDIAN
what is the purpose of transcription A. To produce DNA B. To produce Lipids C. To produce RNA D. To produce Amino Acids
Answers
Explanation:
the answer is d.
amino acids 4 protein synthesis...
Need help with the question in the picture
Answers
Answer:
The answer is k = −11
Explanation:
f(−2)= 0
f(−2)= − 8 − 24 − 2 k + 10 = 0
2 k = -22
and finally; k= −11