A mountain separates a population of mice into two distinct eastern and western populations. The eastern area is inhabited by ow
ls, which hunt at night. No owls live in the western area. Over time, the eastern population of mice will MOST LIKELY
A) become more active at night.
B) remain identical with the western population.
C) change over time and become less active at night. Eliminate
D) grow stronger claws and teeth to better fight the owls.
A) become more active at night.
B) remain identical with the western population.
C) change over time and become less active at night. Eliminate
D) grow stronger claws and teeth to better fight the owls.
2 answers:
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Answer;
The correct answer would be Rr.
In a monohybrid cross, the phenotype ratio of 3:1 is obtained only when both the parents are heterozygous for the trait.
In this condition, the heterozygous genotype would be Rr. The phenotype of both the parents would be round seeds (R) as the round is a dominant trait.
The cross of these parents would produce offspring with three types of genotypes RR, Rr, and rr in ratio 1:2:1.
Thus, the phenotypic ratio would come out to be 3 (round seed):1 (wrinkled seed).
