Mustache and beard in males are examples of which of the following?

Haemolytic jaundice is caused due to a dominant gene but only $10\%$ of the people who carry the gene actually develop the disease. $A$ heterozygous man marries a homozygous normal woman; what proportion of the children would be expected to develop the haemolytic disease?

Based on the statements, choose the correct option given below.
Statement-$I$: Allelic genes lead to individual differences within the species.
Statement-$II$: About $1000$ varieties of mangoes are found in India.

The number of chromosomes in the cells of bread wheat ($Triticum$ $aestivum$) indicates that it is ...... .

When two genetic loci produce identical phenotypes in both $cis$ and $trans$ configurations,they are considered to be:

The $F_2$ dihybrid ratio $9 : 3 : 4$ is explained on the basis of