Identical twins are
Heterozygous
Homozygous
Monozygotic
Dizygotic
In human the inheritance of sex linkage takes place through
$XO$ type of sex determination can be found in:
Which is the example of inhibitory gene
Knowing that albinism is determined by a recessive gene in man; presence of albinism in children born to a couple proves that
The loss of chromosomal segment is due to