What is an example of? a child with no freckles has a mother who has freckles and is heterozygous and the father has no freckles homozygous recessive.
1.homozygous dominant
2. homozygous recessive
3. heterozygous
4. heterozygous dominant
(im giving brainliest to whoever replies first and correctly)
Answers
Answered by
38
the child will said to be having heterozygous dominant chromosomes as characters of his father are dominant over the characters of his mother
Hope it helps you
Hope it helps you
kristinnreyes:
thank you so much!!!! and do you know where i can find someone who can help me understand what heterozygous dominant means im having trouble understanding!
Answered by
39
Let F represent freckles and f represents no freckles
Mother is heterozygous, that is, Ff
And her phenotype is freckled
This tells us that F is dominant allele
Therefore is recessive
Father doesn't have freckles, his chromosomes are ff
Possible progenies :
Ff, ff, ff, Ff
Since the child doesn't have freckles, he has the recessive alleles
That means he is homozygous recessive (option 2)
Mother is heterozygous, that is, Ff
And her phenotype is freckled
This tells us that F is dominant allele
Therefore is recessive
Father doesn't have freckles, his chromosomes are ff
Possible progenies :
Ff, ff, ff, Ff
Since the child doesn't have freckles, he has the recessive alleles
That means he is homozygous recessive (option 2)
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