Barr body in mammals represents
Barr body in mammals represents
- [AIPMT 1995]
- A
All the heterochromatin in female cells
- B
One of the two $X$ chromosomes in somatic cells of females
- C
All the heterochromatin in male and female cells
- D
The $Y$ chromosome in somatic cells of male
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- [AIPMT 1996]
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Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino
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- [AIPMT 1998]
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