Which term describes the example below? A child with no freckles has a mother who has freckles and is heterozygous and a father who has no freckles and is homozygous recessive. A. homozygous dominant B. homozygous recessive C. heterozygous D. Female E. male

Question

Biology

Wright

25 January, 01:33

Which term describes the example below? A child with no freckles has a mother who has freckles and is heterozygous and a father who has no freckles and is homozygous recessive. A. homozygous dominant B. homozygous recessive C. heterozygous D. Female E. male

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Clara Forbes · Answer 1

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