The number of chromosomes in Klinefelter’s syndrome is
The number of chromosomes in Klinefelter’s syndrome is
- A
$47\ (44 + XXY)$
- B
$47\ (44 + XXX)$
- C
$47\ (46 + 1\ chromosome \ 21)$
- D
None of these
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- [AIPMT 1995]
Who gave first experimental evidence of the polygenic concept of inheritance
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$A$ : Holandric traits are passed from one generation to the next generation.
$R$ : These traits appear more frequently in one sex than in other.
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$R$ : These traits appear more frequently in one sex than in other.
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