Allelic genes are located on:

In his classic experiments on pea plants,Mendel did not use .......... .

An organism with two identical alleles for a given trait is:

$A$ diploid organism is heterozygous for $5$ loci and homozygous for $2$ loci,how many types of gametes can be produced?

If a normal woman marries an albino man and their offspring are half albino and half normal,then the woman is:

In the case of $PTC$ tasters and non-tasters in humans,$T$ represents the dominant allele and $t$ represents the recessive allele. Which of the following genotypes is unable to taste $PTC$?