According to Mendel,'factors or genes' are:

What are the genes that are expressed only in the homozygous condition called?

$A$ human male is heterozygous for autosomal genes '$A$' and '$B$'. He is also hemizygous for the haemophilic gene '$h$'. What percentage of sperms will carry the '$abh$' genotype (in $\%$) (in $\%$)?

The character that is expressed in the $F_{1}$-generation is called the

Mendel published his work on the inheritance of characters in .......... but it remained unrecognized until the year ........ for several reasons.

Punnett square was developed by