Left thumb over right is dominant, and is represented with a capital C. Right thumb over left is recessive, and is represented with a lowerc

Question

Left thumb over right is dominant, and is represented with a capital C. Right thumb over left is recessive, and is represented with a lowercase c.

What would be the genotype of a person who naturally crosses his right thumb over his left when folding his hands together?

A) cc

B) Cc

C) CC or cc

D) CC or Cc

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Kennedy 3 months 2022-02-18T00:03:47+00:00 1 Answer 0 views 0

Answers ( )

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    2022-02-18T00:05:19+00:00

    Answer: Option A) cc

    Explanation:

    • For a given gene, there are 2 or more alternative forms present, and they are known as alleles.
    • The alleles are of two types – dominant and recessive.
    • The dominant allele is the one which expresses itself in both heterozygous and homozygous condition in the phenotype.
    • The recessive allele is the one which is only able to express itself in homozygous condition.
    • Since, the right thumb over left allele c is recessive, the person who crosses right thumb over left must be a homozygote, and hence his genotype should be cc.

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