Discontinuous variations are
Mutations
Acquired characters
Essential features
Nonessential features
(a) Mutation causes discontinuous variations.
What is the unit of crossing over
Describe test cross. why it is necessary ?
In Cooley's Anemia, the affected chain of a haemoglobin is
$9 : 3 : 3 : 1$ ratio is modified to $9 : 7$ ratio due to
The number of chromosomes in Klinefelter’s syndrome is
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