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tino4ka555 [31]
3 years ago
15

Genetic variation can aid in the survival of species when the environment changes. Which of the following is the best example of

an organism with a genetic variation that could improve survival chances over time?
A)
An ant that is resistant to pesticide .


B)
A cactus that has no spines.



C)
A mouse that has learned to avoid mousetraps.
Biology
2 answers:
Ymorist [56]3 years ago
5 0
C)
A mouse that has learned to avoid mousetraps.
kumpel [21]3 years ago
4 0
Nope. A is a correct answer. A mouse simply learns how to avoid a trap, there is no genetic change responsible for that
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Interpret the Punnett square. A Punnett square with four rows and four columns. The first row is labeled big-A, big-B. The secon
Naddika [18.5K]

Answer:

The genotypes shown represent gametes. False

One of the possible offspring genotypes is AABB. True

The parent genotypes are ABAbaBab×ABAbaBab. True

The parent genotypes are ABAbaBab×ABAbaBab. True

This cross shows two alleles for two traits. True

The gametes are diploid and the offspring are diploid. False

The genotypes shown are correct for a dihybrid cross. True

Explanation:

║ AB ║ Ab ║ aB ║ ab

AB║ABAB ║ ABAb║ABaB║ABab

Ab║ AbAB║ AbAb ║AbaB║Abab

aB║aBAB ║ aBAb ║aBaB║aBab

ab║abAB ║ abAb ║abaB ║abab

Drawing the Punnett square we can deduce that the genotypes shown do not represent gametes because there are more than 2 pairs of chromosomes.

As shown in the second column second row of the Punnett square one of the possible genotypes is AABB, it is distributed different (ABAB) but it is the same possible genotype.

The parents' genotypes are the ones that are written in the first columns and first row, they coincide with the ones in the statement.

A dihybrid cross shows the cross between two genes that have different traits.

The gametes are always haploid and the offspring are diploid because the two gametes come together.

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