Meta-females have
$XX$
$XO$
$XXXX$
$XXXXXX$
(c)Super or meta females have $47\ (44 + xxx), 48\ (44 + xxxx)$ or $49\ (44 + xxxxx)$ chromosomes.
A diseased man marries a normal woman and they get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is
Both sickle cell anaemia and Huntington’s chorea are
Which of the following is not a hereditary disease?
When a segment of a chromosome breaks and later rejoins after $180^{\circ}$ rotation,it is known as
Barr bodies and drumsticks are of what significance to genetists and biologists
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