Answer :
It is C as to have freckles you have to have a dominant and recessive gene (can be worked out using a punnett square) as the child has 50% of not having freckles like his dad or 50% having freckles like his mom.
male genes(homozygous recessive)
f f
female F Ff Ff
genes
f ff ff
so ff is not having freckles and being homozygous recessive, or Ff having freckles and being heterozygous.
So the child is heterozygous so C
male genes(homozygous recessive)
f f
female F Ff Ff
genes
f ff ff
so ff is not having freckles and being homozygous recessive, or Ff having freckles and being heterozygous.
So the child is heterozygous so C
A child with no freckles has a mother who has freckles and is impurebred and a father who has no freckles and is purebred recessive is B.recessive.
What is purebred recessive?
The purebred recessive means a traits that has the characters as the same characters and is defined as the traits that are similar.
- Let F constitute freckles and f represents no freckles
- Mother is , that is, Ff
- And her phenotype is freckled
- This tells us that F is dominant allele
- Therefore is recessive
- Father does not have freckles, his chromosomes.
- Possible progenies Ff, ff, ff, Ff
- Since the kid does not have freckles, he has the recessive alleles
Read more about the purebred :
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