Search the NIH gene database for the term colorblindness. Use the results of the database search to explain how a father and mother who are not colorblind could have a son who is colorblind. Your model can be a pedigree chart, a Punnett square, or a diagram of chromosomes.
Answers
Answer/Explanation:
Red/green colorblindness is a recessive, X-linked condition. That means that the affected gene is on the X chromosome, and that the phenotype will only be present if there is no "healthy" gene, which is dominant to the mutated gene.
For two unaffected people to have an affected son, the mother must be a carrier. Remember, females have two X chromosomes and males have one. So if a female is a carrier of the colorblindness mutation, she will have one copy of the mutation and one normal copy of the gene, and will therefore be unaffected.
The punnet square (attached) shows that all their female children would be unaffected (have the B gene), but 1:2 male children would be colorblind, as their only copy of the gene is mutated (b).
Answer:
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Explanation:
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Related Questions
Which organism would be the best subject for a study of both photosynthesis and cellular respiration?
a green plant
a chemosynthetic bacterium
an animal that eats plants
an animal that eats animals
Answers
Answer:
A green plant
Explanation:
What organelle are in red blood cells
Answers
Answer:
endoplasmic reticulum or mitochondria.
Explanation:
I think its that but I really hope this helps
The exchange of genetic material between homologous chromosomes when they are closely paired during meiosis is called?
Answers
What happens to an atom if it gains an electron? *
A.It becomes negative
B.It becomes neutral
C.It becomes positive
D.None of the above
Answers
Answer:
It would get more negatively charged.
Explanation:
9. Which type of molecule (small or large) has an easier time diffusing in/out of the cell
membrane?
Answers
Answer:
small
Explanation:
I learned this in the 7that grade
A track team captain thinks that eating breakfast and having a good night's sleep may affect the team's performance.
The track team decides to test if eating breakfast makes a difference in how fast they can run one mile.
They decide to split the team into two groups. One group eats breakfast two hours before running and the other group does not eat breakfast. The students also make a rule that both groups have to get a good night's sleep before they run. Is this rule necessary?
A. Yes, because the rule allows the team to only test one variable at a time, keeping everything else a constant.
B. No, because they can judge the effect of having breakfast even if the students do not get enough sleep.
C. No, because they can judge the effect of having breakfast only if some students do not get enough sleep.
D. Yes, because they can judge the effect of both breakfast and sleep if all students get enough sleep.
Answers
Answer:
I'm pretty sure the answer is A
which of the following helps an endurance athlete store glycogen
Answers
Answer:
Where's the following, is there suppose to be an attachment?
Explanation:
??????
how can humans increase the amount of endangered or extinct species
Answers
Answer:
educate family about endangered species in the area
recycle
buy sustainable products
reduce water consumption
reduce personal footprint
don't buy plastic products
pressure your civil servants
volunteer your time to protect wildlife
Increased sea surface temperature has the potential to kill vast areas of coral because of this phenomenon:
A.) invasive species
B.) coral bleaching
C.) ocean acidification
D.) oligotrophic
Answers
Answer:
B.) Coral Bleaching
Explanation:
Increased temperatures can cause coral to 'bleach' or lose their symbiotic zooxanthellae algae
Increased sea surface temperature has the potential to kill vast areas of coral because of the coral bleaching.
What do you mean by coral bleaching?Bleached coral Healthy coral Coral bleaching is the process when corals become white due to various stressors, such as changes in temperature, light, or nutrients.
When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely white. This is called coral bleaching. When a coral bleaches, it is not dead.
Coral bleaching can be caused by a wide range of environmental stressors such as pollution, oil spills, increased sedimentation, extremes in sea temperatures, extremes in salinity, low oxygen, disease, and predation.
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Peptide bonds in proteins can be broken down by the enzyme peptidase. Adrianordes a hamburger abd French fries for.lunch. He adds cheese and mayonaise to his hamburger abd then sits down to eat lunch with his friends. Which statement would most likely result from the action of peptidase in Adrians small intestine?
A. Lipid
B. Amino acid
C. Hydrocarbon
D. Glucose
Answers
Answer: Amino Acid
Explanation:
2
Directions: Select ALL the correct answers.
All living things contain carbon. Which of the following statements are true about carbon atoms?
A single molecule of some compounds can contain thousands of carbon atoms.
Each carbon atom can form single bonds with up to four other carbon atoms.
Carbon atoms can join together to form chains or rings.
Each carbon atom can form double bonds with up to two other carbon atoms.
Reset
Next Question
Answers
Answer:B, C and D
Explanation:
A single molecule of some compounds can contain thousands of carbon atoms. Each carbon atom can form single bonds with up to four other carbon atoms. Thus, all of the given statements are true.
What are the properties of carbon atom?Carbon is found in almost all the biomolecules and majority of compounds present in the atmosphere. All the living things contain carbon in the form of different biomolecules. A single molecule of some compounds can contain up to thousands of carbon atoms including polymers which make up the cell wall and cell membrane.
Each carbon atom can form single bonds with up to four other carbon atoms. This is due to the valency of carbon which is four, thus it can form covalent bonds with other atoms or elements. This property of Carbon is known as tetravalency. Carbon has the ability to form long chains when it gets linked with other carbon atoms.
Each carbon atom can form double bonds with up to two other carbon atoms or more.
Therefore, all these statements are true.
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when is hypothesis accepted as a theory by the scientific community
Answers
Answer:
A hypothesis is an idea that hasn't been proven yet. If enough evidence accumulates to support a hypothesis, it moves to the next step — known as a theory — in the scientific method and becomes accepted as a valid explanation of a phenomenon.
Tectonic plates are made up of rocks that are part of the?
Answers
Answer:
here ya go
Explanation:
A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Plate size can vary greatly, from a few hundred to thousands of kilometers across; the Pacific and Antarctic Plates are among the largest.
shamash is the god of?
Answers
What countries does the Nile River flow through?
Answers
Answer:
Burundi, Tanzania, Rwanda, DROC, Sudan
what keeps earth’s temperature at the proper level for life
Answers
Answer:
greenhouse gases
Explanation:
all gases whose have three or more greenhouse gases :carbon dioxide (CO2), methane (CH4) and water vapor (H2O)
PLEASE HELP !
Which of these factors best explains why liquid water exists on Earth?
A. Presence of living things
B. Moderate temperatures
C. Lack of gravity
D. Lunar tides
Answers
The factor that best explains why liquid water exists on Earth is moderate temperatures. Therefore option B is correct.
Liquid water exists on Earth primarily due to the presence of moderate temperatures. Water is a unique substance because it has a relatively high boiling point and a wide range of temperatures at which it remains in a liquid state.
The average surface temperature of the Earth, along with the atmospheric pressure, allows water to exist as a liquid under normal conditions.
The lack of gravity is incorrect because gravity is essential for the existence of liquid water. Gravity keeps water molecules attracted to each other, preventing them from dispersing into the atmosphere.
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What condition is caused by carbon dioxide, methane, and water vapor trapping heat in the Earth's atmosphere?
A biomagnification
B greenhouse effect
C photosynthesis
D transpiration
Answers
The condition that is caused by carbon dioxide, methane, and water vapor trapping heat in the Earth's atmosphere is known as the greenhouse effect. Thus, the correct option is B.
What is the Earth's atmosphere?The earth's atmosphere may be defined as the significant presence of a layer of various gases that surrounds the whole planet. It is known that the Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases.
Carbon dioxide, methane, and water vapor are considered greenhouse gases that ultimately capture the heat radiations from the sun and liberate the earth's atmosphere. As a result of this, the average temperature of the earth's surface has gradually increased for four to five decades.
This is all known as the greenhouse effect. The Greenhouse effect may be defined as the phenomenon of keeping the earth warm due to the presence of certain gases in the atmosphere that captures heat from the sun.
Therefore, the condition that is caused by carbon dioxide, methane, and water vapor trapping heat in the Earth's atmosphere is known as the greenhouse effect. Thus, the correct option is B.
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What are sources of nitrogen in the environment ?
Answers
Answer:
Atmospheric precipitation, livestock and poultry operations and urban wastes.
Explanation:
In the forest there is a population of rabbits. Which of the following TWO are BIOTIC limiting factors of the
rabbit population?
1. holes to hide in for shelter
2. amount of plants to eat
3. competition with deer eating same plants
4. amount of water to drink
PLEASE HELP
Answers
1. holes to hide in for shelter
3. competition with deer eating the same plants
FIRST TO ANSWER IN DIFFERENT SENTENCES GETS BRAINLIEST
Answers
Answer:
1.An example of Batesian mimicry is when the yummy viceroy butterfly mimics the orange and black coloration of the distasteful monarch butterfly. ... Wasmannian mimicry occurs when the mimic resembles it's host (the model) in order to live within the same nest or structure. For example, several beetles closely resemble ants
2.Orange and black Monarchs (Danaus plexippus) are among the most familiar and easily recognizable butterflies found in the vivarium. Bright colors and distinctive wing patterns can be an example of aposematism, also known as a warning coloration.
Explanation:
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Name the vestigeal part of human alimentary canal?
Answers
vermiform appendix
In human, vermiform appendix is the vestigial part of alimentary canal. Explanation: The vermiform appendix is a finger like structure which is connected to cecum, it is present in the junction of small and large intestine. This is known as the tail part of the human.
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Explain the relationship between DNA structure and protein function?
Answers
Answer: Functionally, DNA maintains the protein-encoding information, whereas RNA uses the information to enable the cell to synthesize the particular protein. 1 Differences between DNA and RNA: DNA stores the genetic information, whereas RNA uses the information to help the cell produces the protein.
Explanation:
Which of the following best identifies a key component of the hydrologic cycle that powers the movement of water and is missing from the diagram?
A
Terrestrial animals
B
The Sun
С
Bacteria
D
Volcanoes
Answers
Answer: the sun
Explanation:
poriferons are called sessils because
Answers
Answer:
Poriferans are sessilebecause they donot move from one place to another. They are fixed in a single place.
Explanation:
The meaning of sessile is fixed in one place or immobile. As poriferans donot move from one place to another. They are called sessile.
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Why are tapeworms parasites to brine shrimps?
Answers
Answer: The tissue of brine shrimp turns red after it is infected with parasitic tapeworms. This color is caused by an increase in carotenoids, a type of pigmented chemical
Explanation:
To compare how different types of soil absorbed water, Christian set up an
experiment. He poked equal numbers and sizes of holes into the bottoms of three
plastic cups. He filled one cup with sand, one with potting soil, and left one empty. He
placed each cup in a stand over a beaker. Christian poured 400 mL (milliliters) of water
into each of the cups. He then measured the amount of water collected in the beakers
beneath each cup at 1 minute intervals for 3 minutes.
What is the control in this experiment?
the amount of water collagted in the boaker
collastad
the cup with the sand
the empty cup
Rt the cup with the soil
Answers
Answer:
the empty cup
Explanation:
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This type of vessel carries blood TO the heart:
Answers
Answer:
vein
Explanation:
carries blood vessels with no oxygen to the heart to get oxygen.
Give reason diffrent types of plant are available in riverside, lakeside
Answers
Answer:
because it contain moist environment or land filled with different minerals. Such type of climate is favourable for mostly all kinds of plants.
Different types of plant are available in riverside, lakeside because of the
presence of nutrients and resources in them.
Plants are regarded as primary producers which produce their food through
the process of photosynthesis. Photosynthesis involves reaction between
carbondioxide and water to form glucose.
The availability of water favors photosynthetic processes which is why plants are present in such areas to increase food production.
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You are cleaning your room, when all of a sudden the smoke alarm goes off. You go into the kitchen and it is very smoky, so you inhale smoke. Your body has to immediately get rid of the carbon molecules you just inhaled. Explain all the parts of the cell involved in getting the smoke out of your cells.
Answers
Answer: The smoke goes to the cells of the mouth or buccal cavity, nasal cavity, trachea, larynx, and then finally distributed into the bronchi (small tubes) in the lungs.
Explanation:
Respiratory system can be defined as the complex system of organs that allow us to obtain oxygen for biochemical oxidation of food and releasing energy in the form of ATP. The breathing is a process in which the air is inhaled inside the respiratory system and oxygen is absorbed by the cells and carbon dioxide is expelled out of the body. The pathway of oxygen is cells of the mouth or buccal cavity, nasal cavity, trachea, larynx, and then finally, distributed into the bronchi (small tubes) in the lungs and it is reverse for carbon dioxide or carbon monoxide gas components present in the smoke. The red blood cells are the cells that are involved in getting rid of smoke out of the body, as they have hemoglobin which has binding efficiency with both oxygen and carbon dioxide. The exchange of deoxygenated blood (carbon dioxide containing blood) takes place in the blood capillaries. From the blood capillaries the carbon dioxide is expelled out from the bronchi following the entire route of expiration.