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babymother [125]
3 years ago
15

If two people want to know the chances of their child have a certain genetic disorder, the parents must know their

Biology
2 answers:
Leya [2.2K]3 years ago
8 0

Family history: most of the genetic disorder can be known through family history line

zheka24 [161]3 years ago
5 0

Disorders of some of their family members because that defect may be in their genes and may affect the child.

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The key to the evolution of altruism is that a. recipients have to be more likely to carry the altruistic allele than nonrecipie
cupoosta [38]

Answer:

The correct answer is b. actors have to be more likely to carry the altruistic allele than non actors.

Explanation:

Altruism is the behavior by an organism that benefits other organisms by costing its own fitness. The actor is the individual who is doing altruism and the recipient is the individual who is getting benefited by the actor's altruism.

An example of altruistic behavior can be seen in animal kingdom easily. Vampire bats give blood to those members of the community who were not able to go for search for blood show altruistic behavior.

Actors have altruistic genes that suggest them to behave altruistically. Non-actors may not contain alleles of altruism but the recipient might have altruistic alleles.

Hamilton's rule says that natural selection will favor the altruistic allele when rb > c.

where r = coefficient of relatedness between donor and recipient

          b = benefit received by recipient and

          c = cost paid by altruist.

Therefore, the correct answer is b.

6 0
3 years ago
8. What factor contributes the most to the overall health and sustainability of an<br> ecosystem?
ad-work [718]
The higher biodiversity in an ecosystem means that there is a greater variety of genes and species in that ecosystem. A great variety of genes and species means that the ecosystem is better able to carry out natural processes in the face of external stress. Thus, the ecosystem is more sustainable.
7 0
3 years ago
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How are the molecules in photosynthesis and cellular respiration similar?
WARRIOR [948]

The two processes are similar in that they both produce energy, albeit in two different forms. They are different in that photosynthesis assembles the glucose molecule, while cellular respiration takes it apart

8 0
3 years ago
Plot each date on the map Describe jamurs overall path
timurjin [86]

Answer: lol

Explanation:

4 0
3 years ago
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The respiratory system supplies oxygen to the blood in the body, while removing carbon dioxide. Which system directly interacts
Olegator [25]

Answer:

The correct option is <u>C. The nervous system when the brain regulates the body's breathing and heart rate.</u>

Explanation:

The main function of the respiratory system is to exchange oxygen for carbon dioxide in the body.

The brain controls the rate at which the heart pumps blood. The pumping of the heart supplies oxygenated blood to other parts of the body. Hence, the rate at which heart pumps blood is very important to maintain homeostasis of the respiratory system.

The brain regulates the rate at which a person breathes. This rate is very important to breathe in the right amount of oxygen and to breathe out the right amount of carbon dioxide.

8 0
3 years ago
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