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
Linkage was first observed in
Cytoplasmic male sterility in maize is manifestation of interaction between
Heterozygous round and yellow seeded pea plants were selfed and total $800$ seeds are collected. What is the total number of seeds with first dominant and second recessive traits?
Antisera used to detect $Rh$ blood group
Crossing over is advantageous because it brings about