The expression of genes for the production of milk in only females is a
$X$ linked character
$Y$ linked character
Sex limited genes
Sex influenced genes
Preformation theory concerning transmission of characters was given by
Character choosen by Mendel are located on how many chromosome
All the sons are haemophilic and daughter are normal of a haemophilic father and normal mother. This character is
An abnormal human baby with $‘XXX’$ sex chromosomes was born due to
___$(B)$___ used the frequency of recombination between gene pairs on the ___$(A)$___ as a measure of the distance between genes and mapped their position on the chromosome
$(A) \;\;\quad\;\;(B)$