Answer:
a. Ss
b. ss
Explanation:
This question involves a gene coding for tail length in mice. According to the question, a new phenotype of mouse has been discovered to have short-tails. This short-tailed mouse was crossed with a long-tailed mouse multiple times to produce 27 long-tailed mice and 25 short-tailed mice. Based on this phenotypic result, the phenotypic ratio can be deduced to be:
Long tail = 27/25 = 1.08
Short tail = 25/25 = 1
Long tail : short tail = 1:1
This phenotypic result can only be achieved if
The short tailed mice got in the F1 generation was self-crossed to get 31 short-tailed mice and 11 long-tailed mice. Based on this result as well, the phenotypic ratio can be deduced to be:
Short tailed = 31/11 = 2.8
Long tailed = 11/11 = 1
Approximately, the phenotypic result of F2 is short tail 3 : long tail 1.
Based on the above phenotypic ratios, the F1 generation with {Long tail : short tail = 1:1} can only be got from heterozygous (Ss) and homzygous recessive (ss) mice. Also, based on the F2 generation with {short tail 3 : long tail 1}, the result can only be got when the parents mice are both heterozygous i.e. Ss × Ss.
This concludes that the short tail length is dominant over the long tail length. Hence, the original short tailed mouse has a heterozygous genotype of Ss while the long tailed mouse used in the experiment has a genotype; ss.
The steepness of a line segment on a distance VS. time graph indicates which things about the motion of an object?
upward-sloping line segment: The steeper the slope, the faster the motion.
downward-sloping line segment: The steeper the slope, the faster the motion.
upward-sloping line segment: The steeper the slope, the slower the motion.
downward-sloping line segment: The steeper the slope, the slower the motion.
upward-sloping line segment: The steeper the slope, the slower the motion.
downward-sloping line segment: The steeper the slope, the faster the motion.
•
upward-sloping line segment: The steeper the slope, the faster the motion.
downward-sloping line segment: The steeper the slope, the slower the motion.
Explanation:
answer to the question of how you can find the answer is by finding the answer
Which kind of light do plants use to make energy in photosynthesis?
A. Radio waves
B. Visible Light
C. Infrared Light
D. Ultraviolet Light
Answer:
B. Visible Light
Explanation:
The best wavelengths for photosynthesis fall within the blue range (425-450 nm) and red range (600-700 nm).
How did the probabilities of yellow seeds and green seeds compare with each other?
Answer:
the yellow Seed is dominated to the green seats
Explanation:
the heterozygous yellow Seeded plant will have the genotype you and the green seeded plant with have yy if this to plants are crossed the
result of F1 generation will be two yy ( yellow seeds )
and two yy( green seeds) the probability of the Offspring will be 50:50
Answer:
the yellow Seed is dominated to the green seats
Explanation:
please answer it please
Answer:
7-d
8-b
9-?
10-b
11-c
12-?
13-b
Explanation:
What is used to link small parts together so animals can move easily from one to another
1)habitat restoration
2)relocation
3)wildlife corridors
4seed banks
Answer:
i think it is 3 wildlife corridors but i am not sure
Please select the word from the list that best fits the definition
Principle that involves an attempt to understand the meanings individuals attach to their actions.
Verstehen is the principle which involves the attempt for the understanding of the meanings individuals attach to their actions.
Principle that involves an attempt to understand the meanings individuals attach to their actions.?This idea is based on the German philosophical notion of Verstehen, which also serves as the foundation of sociology as a field of study of people and their behaviour.
The word itself exhibits the quality of deeply understanding something, which makes the method appropriate for sociologists and turns it into a means of learning about people and the acts that they take.
Weber suggested doing this, when one tries to put themselves in other people's shoes and see things from their perspective. The concept and practise of verstehen is today recognised as being essential to rejecting positivist social science (although Weber appeared to think that the two could be united). Understanding the purpose of an action is referred to as verstehen.
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The idea of comprehending the meanings people give to their acts is known as verstehen.
What is verstehen principle?A philosophy that makes an effort to comprehend the meanings people give to their activities.
This approach is based on the idea of Verstehen from German philosophy, which also serves as the basis for sociology as a discipline that studies people and their behavior.
The approach is excellent for sociologists because the word itself conveys the quality of deeply comprehending something, which transforms it into a way of learning about people and the actions they take.
When one tries to put themselves in other people's shoes and see things from their perspective, Weber advised doing this. Today, the idea of comprehension and its application are recognized as
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True or False: There are about the same number of vertebrate species as invertebrates.
A
True
B
False
Answer:
False
Explanation:
The number of vertebrate species are more...
Crictually evaluate the hallmarks of cancer?
Answer:
We define seven hallmarks of cancer: selective growth and proliferative advantage, altered stress response favoring overall survival, vascularization, invasion and metastasis, metabolic rewiring, an abetting microenvironment, and immune modulation, while highlighting some considerations for the future of the field.
1)Difference between drowning and altitude sickness.
2) Difference between burn and electric shock.
Write at least two differences.
Answer:
Drowning: It is the suffocation that takes place due to submersion or immersion of the mouth and nose of an individual in a liquid or filling liquid in the lungs of the person. It caused death if an individual drowns completely.
Altitude sickness: physical discomfort at high altitude due to low oxygen pressure that causes hyperventilation, nausea, shortness of oxygen, concession. It is also known as mountain sickness.
Burn: It is an injury of skin or tissue that occurs due to heat, cold, chemical or radiation. Most of the time the burn takes place by heat contact to skin and cause different degree burn depends on the intensity of hotness or fire.
Electric shock: Electric shock is the event that occurs when an electric current passes through the body of an individual that can be mild to severe. It can burn the internal and external organs of an individual.
11. Which type of landform is created by deposition?
A. a valley
B. a glacier
C. a sandbar
Answer:
a sandbar
Explanation:
valley is plain around hills so it cant be created by deposition i have slight confusion in glacier but i think it is also not formed by deposition
Dr. Wong was conducting a field study in the Amazon rainforest when he discovered a prokaryotic organism that has a cell wall and circular chromosomes. Which of the following would he most likely conclude about his discovery
Answer:
it is the plant cells that circle the chromosomes
A prokaryotic organism with a cell wall and a circular chromosome belongs to the kingdom Protista as plants and fungi do not have a circular DNA. Thus, the correct option is B.
What are Prokaryotic organisms?
A prokaryotic organism contains a prokaryotic cell. these cells does not possess a well-defined nucleus and other membrane-bound organelles such as mitochondria, chloroplast, etc. These cells are the most-primitive cells. Due to absence of important cell organelles, these cells cannot survive on their own and hence depend upon other organisms for their nutrition.
Prokaryotic cells have a circular DNA as the genetic material of the cell which is not enclosed in a nucleus instead present in the form of a nucleoid. Prokaryotes such as algae show presence of a cell wall and a circular chromosome inside the cell.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
Dr. Wong was conducting a field study in the Amazon rainforest when he discovered a prokaryotic organism that has a cell wall and circular chromosomes. Which of the following would he most likely conclude about his discovery?
a. the organism is either from the kingdoms Protista or Fungi
b. the organism is most likely from the Kingdom Protista
c. the organism is could only belong to the kingdom Plantae
d. the organism is not from the domain Eukarya
Homologous recombination can be used in the lab to replace a gene of interest with a selection marker. To confirm that the selection marker is integrated into the correct place in the genome, sometimes a negative selection is used in addition to the standard positive selection marker. Which of the following would act as a negative selection marker?
a. Transformation of a different gene, which does not act as a selection marker, to replace the gene of interest.â
b. A second marker in the knock out cassette, that if inserted into the genome results in cell death when plated on selective media.
c. Transforming the cells with two different knock out cassettes, each containing the same selection marker3. â
Answer:
b. A second marker in the knock-out cassette, that if inserted into the genome results in cell death when plated on selective media.
Explanation:
General recombination, also known as homologous recombination, refers to the naturally occurring process of exchange of genetic material between pairs of homologous DNA sequences. This process (homologous recombination) can be exploited by genetic engineering to insert DNA segments of interest at target genes. Moreover, a cassette is a mobile DNA segment containing almost a gene and a recombination site, which is integrated into the locus/loci of interest by homologous recombination. A cassette may contain a DNA segment called 'negative marker' which prevents growth under particular conditions, while a positive marker permits growth under certain conditions. In consequence, a second marker consisting of a drug cassette may be used as a negative marker in order to evidence its insertion by inducing cell death when they are plated in selective conditions.
the illustration shows a model of the transport of soute particles from outside the cell to inside the cell. what type of cell transport is modeled
Answer:
The illustration shows a model of the active transport of solute particles from outside the cell to inside the cell.
Explanation:
Active Transport is defined as a process involving the movement of molecules from a region of lower concentration to a region of higher concentration against a gradient or an obstacle with the use of external energy.
This process is “active” because it requires the use of energy (usually in the form of ATP). It is the opposite of passive transport.
An example is the phagocytosis of bacteria by Macrophages.
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Explain the effects of the use of antibodies in the control of a disease?????
Answer:
Antibodies have three main functions: 1) Antibodies are secreted into the blood and mucosa, where they bind to and inactivate foreign substances such as pathogens and toxins (neutralization). 2) Antibodies activate the complement system to destroy bacterial cells by lysis (punching holes in the cell wall).
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Cystic fibrosis Is a recessive disease that causes damage to the digestive system, lungs, and other organs of the body. Cystic fibrosis is the result of deletion mutations that are inherited from both parents. Which of the sample chromosomes shows an example of a deletion mutation?
RSTUV-XYZ ----> RSTUUV-XYZ
RSTUV-XYZ ----> STUV-XY
RSTUV-XYZ ----> RUTSV-XYZ
RSTUV-XYZ ----> KLRSTUV-XYZ
If Cystic fibrosis is the result of deletion mutations that are inherited from both parents, then the sample chromosome that shows an example of a deletion mutation is B. RSTUV-XYZ ----> STUV-XY.
What is a deletion genetic mutation?A deletion genetic mutation can be defined as an alteration in the genetic material of the cell of an individual associated with the loss of one or more nucleotides in the original sequence.
Therefore, with this data, we can see that a deletion genetic mutation is caused by the loss of nucleotides in the DNA.
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What is one BENEFIT of internal development for the human embryo?
Answer:
Internal fertilization has the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young. Internal fertilization also enhances the fertilization of eggs by a specific male.
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The average temperature of Earth has increased approximately
0.8°C in the last one hundred years. Which of the following do
researchers most attribute to this temperature increase?
Select one:
1, the lower amounts of carbon dioxide
2, increased use of fossil fuels
3, increased population in third-world countries
4, the solar flares reaching Earth
Answer: 2 increased use of fossil fuels
Select the correct answer.
Which is an example of dehydration synthesis?
A. DNA synthesis from nucleotides
B. conversion of proteins into its amino acids
C. conversion of lipids into fatty acids
Each day the moon rises later by approximately one hour because the:
A)Earth revolves round the Sun in 365 days.
B)Earth rotates 360 degrees on its axis in twenty-four hours.
Moon rotates 360 degrees on its own axis in twenty seven days
D)Moon's position shifts everyday due to its revolution around the Earth.
Answer:
D
Explanation:
The moon moves to the East each day (about 15⁰) in its orbit around the Earth, which takes a total of 27.3 days. The moons orbit around Earth is a complete circle, which is 360⁰. It takes approximately 1 hour each day for the Earth to catch up to the moon, delaying it's rising by 1 hour.
(RrYy x RrYy), how many of the offspring will be dominant for both traits?
9 of the offsprings will be dominant for both traits in the above dihybrid cross.
What is a dihybrid cross?A dihybrid cross is a cross between two individuals with two observed traits that are controlled by two distinct genes.
Gregor Johann Mendel known as the father of genetics was the first person to discover the basic principles of heredity during the mid-19th century.
In a dihybrid cross between two parents that are heterozygous for both traits, the cross will result in four different combinations of seeds in the F2 generation as follows:
wrinkled-yellow round-yellowwrinkled-greenround-greenThese offsprings are in the phenotypic ratio of 9:3:3:1 where 9 represents the offsprings dominant for both traits.
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Define population density as a
mathematical equation.
Answer:
The formula for calculating population density is Dp= N/A. In this equation, Dp is the density of population, N is the total population as a number of people, and A is the land area covered by that population.
Explanation:
a statistic that tells you how many people live in a certain area. ... density is reported in square miles or kilometers, and may or may not include bodies of water. This type of measurement is called arithmetic density, and is reported as the total number of people per land.
I need help answering this
Answer: 2
Explanation:
its 2
Answer:
I think it's 4.
Explanation:
The graph matches the diagram closest.
5
Select the correct answer.
Which term defines a well-supported, explanation of an occurrence of a natural phenomenon?
A.
hypothesis
B. bias
C. observation
D. theory
Please help me
Answer: the answer is D a theory
Explanation: Because it has strong evidence backing the claims it makes
() State another hormone that influences the concentration of glucose in the blood.
Untouched rangelands increase climate temperatures because their soils release carbon into the atmosphere.
True
False
Answer:
I believe it is false so I hope you get it right
where can you plant a mango tree
•hill
•slope
•valley
•plain
The second word in a scientific name is
a. all of the above
b. an adjective describing the species
c. the same for other members of the same species
d. in Latin
an adjective describing the species
Answer: c. the same for other members of the same species
Explanation: Just trust me.
What role do neurons serve within the nervous system? Why is it so important?
Answer:
Neurons are electrically excitable cells that transmit information throughout the nervous system. They are the basic building blocks of the nervous system and perform a variety of functions, including receiving and sending signals, processing information, and controlling movement.
The nervous system is responsible for coordinating the body's activities and responding to its environment. without neurons, the nervous system would not be able to function properly. Neurons are essential for survival and play a vital role in our health and well-being.
A new national park has two caves that visitors can see. One cave is made of a different type of rock than the other one. Park rangers want to explain the difference to visitors. How could energy have played a role in the different rock types forming?
Note that where a new national park has two caves that visitors can see. One cave is made of a different type of rock than the other one. Park rangers want to explain the difference to visitors. Energy could have played a role in the different rock types forming in that "Energy from different sources leads to different types of rock. Energy inside Earth melts rock into liquid rock, but energy from the sun causes rock to weather into small pieces of rock." (Option C)
What is rock formation?A rock formation is a solitary, picturesque, or outstanding outcrop of surface rock. Weathering and erosion shape the existing rock, resulting in rock formations. In stratigraphic and petrologic investigations, the phrase rock formation can also refer to specific sedimentary layers or other rock units.
Energy can be involved in the production of various rock types in a variety of ways. One option is metamorphism, which occurs when rock is exposed to high temperatures and pressures, leading it to alter in composition and structure.
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Full Question:
A new national park has two caves that visitors can see. One cave is made of a different type of rock than the other one. Park rangers want to explain the difference to visitors.
How could energy have played a role in the different rock types forming?
Answer choices
Energy causes different types of rock to change in different ways. Energy changes igneous rock into liquid rock and changes sedimentary rock into small pieces of rock.Energy caused one rock type to form, but not the other. Rock that forms because of energy is a different type of rock than rock that forms without energy.Energy from different sources leads to different types of rock. Energy inside Earth melts rock into liquid rock, but energy from the sun causes rock to weather into small pieces of rock.Energy changes rock on different continents in different ways. Each continent on Earth has different rock that might form liquid rock or small rock pieces when exposed to energy.In what process do Cell Obtain energy from sugar molecules?
Answer:
Through the process of cellular respiration
Explanation:
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