Study the pedigree chart of a certain family given
below and select the correct conclusion which can
be drawn for the character
TAIPMT (Mains)-2010]
(1) The female parent is heterozygous
(2) The parents could not have had a normal
daughter for this character
(3) The trait under study could not be
colourblindness
(4) The male parent is homozygous dominant
d
one which
Answers
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1
The correct option is Option A i.e. The parents are heterozygous.
Explanation:
- This is because in the pedigree chart we can see that both the daughters got the infected allele of gene whereas the sons were not that, one got the disease whereas one was normal.
- It means the gene was autosomal, because if it has been allosome, then the sons would have been affected.
- The gene was dominant as well, which is evident from the distribution of the character in the offsprings.
To learn more about heterozygous:
In a monohybrid cross what will be percentage of heterozygous offspring in F4 – generation -
https://brainly.in/question/1167758
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