The "cri-du-chat" syndrome is caused by change in chromosome structure involving
The "cri-du-chat" syndrome is caused by change in chromosome structure involving
- [AIIMS 2005]
- A
Deletion
- B
Duplication
- C
Inversion
- D
Translocation
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Identical twins are produced when
Identical twins are produced when
Edward syndrome is on account of .......
Edward syndrome is on account of .......
A normal woman whose father was albino marries a man who is albino. What proportion of normal and albino can be expected among their offsprings
A normal woman whose father was albino marries a man who is albino. What proportion of normal and albino can be expected among their offsprings
- [AIPMT 1994]
Twin is
Mendel published his work on inheritance of characters in $1865$ but it remained unrecognised till $1900$ because
$(a)$ He could not provide any physical proof for the existence of factors
$(b)$ His concept of factors as stable, discrete units that controlled the expression of traits did not find acceptance from the contemporaries
$(c)$ Mendel's approach of using mathematics to explain biological phenomena was totally old
$(d)$ Communication was not easy (as it is now)
Mendel published his work on inheritance of characters in $1865$ but it remained unrecognised till $1900$ because
$(a)$ He could not provide any physical proof for the existence of factors
$(b)$ His concept of factors as stable, discrete units that controlled the expression of traits did not find acceptance from the contemporaries
$(c)$ Mendel's approach of using mathematics to explain biological phenomena was totally old
$(d)$ Communication was not easy (as it is now)