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Bond [772]
3 years ago
13

Question 21 of 25

Biology
1 answer:
daser333 [38]3 years ago
4 0

Answer:

B

Explanation:

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Why do polygenic characteristics have many phenotypes?
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The involvement of more than two genes.

Explanation:

The polygenic characteristics have many phenotypes because more than two genes governs the phenotype of individual organism. The single gene contains a pair of alleles that codes for two phenotype and two genes will code for 4 phenotype. Thus, more than two genes for example, three genes will have six phenotypes.

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Can anybody help with this question? 1. Based on Mendel’s results, which trait for each pea characteristic is dominant? Complete
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Answer:

1.       purple         white         3.15:1  

2.      yellow         green         2.99:1

3.      round          wrinkled     2.96:1

4.       green         yellow        2.82:1

Explanation:

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What do mature red blood cells lack so that they can hold as much hemoglobin as possible?
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Oxygen and it removes all other toxin
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3 years ago
Which members of an ecosystem are part of the energy flow? A. ONLY the living things in the ecosystem B. ONLY the nonliving thin
uranmaximum [27]

Answer:

D. The energy flow is not dependent on any members of the ecosystem

Explanation:

The energy flow in an ecosystem is not dependent on any member of the ecosystem. It is the flow of energy through the food chain, energy is passed from members in one trophic level to members in another or the next trophic level. The flow of energy in an ecosystem is important because it helps in maintaining balance in ecology.

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