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Fudgin [204]
3 years ago
10

Survival of at least a few members of a population after a major environmental change is most dependent on

Biology
1 answer:
irina1246 [14]3 years ago
5 0
<span>Survival of at least a few members of a population after a major environmental change is most dependent on 3) variations in many different traits in many individuals in the population.
Variation is important for a species which wants to survive huge changes in the environment. If they cannot adapt to their new surroundings, they won't be able to survive. This is where variation comes in - it enables a species to develop new techniques and traits necessary for survival.
</span>
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5 0
2 years ago
The Punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. The Punnett square b
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Which populations of species will be most likely to survive when environmental conditions shift?.
Mama L [17]

Answer: Small animals such as ants, some species of mice and rats, and cockroaches.

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5 0
2 years ago
Can someone answer this pls??
Lunna [17]

Answer:

75% brown, 25% white

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This question involves a single gene coding for color in chickens. The allele for brown color (B) is dominant over the allele for white color (b).

According to this question, a brown rooter with genotype 'BB' was crossed with a white hen (bb). The offsprings in the F1 generation will all possess the 'Bb' genotype and be brown colored. However, if these F1 offsprings are self-mated i.e Bb × Bb, the proportion of F2 offsprings will be 1BB, 2Bb, 1bb.

Since BB, Bb and Bb offsprings are Brown in color and bb is white in color, this means that the expected phenotypic appearance of the F2 offsprings will be:

¾ or 75% brown and ¼ or 25% white

8 0
2 years ago
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B

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