In humans, the presence of freckles (F) is dominant to the absence of freckles (f). If...
In humans, the presence of freckles (F) is dominant to the absence of freckles (f). If two heterozygous individuals mate, what is the probability of having a child with NO freckles
a. 100%
b. 50%
c. 25%
d. 75%
Homework Answers
Here, the correct option is c) 25%
Explanation -
Here ' F ' be the dominant allele responsible for the presence
of freckles and let ' f ' be the corresponding recessive allele
responsible for the absence of freckles.
Now, the following are the possible genotypes and the corresponding
phenotypes:
FF = Freckles present
Ff = Freckles present but heterozygous
ff = Freckles absent
The genotype of the parents = Ff and Ff
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