In a dihybrid cross,what is the proportion of $RrYy$ offspring obtained from the selfing of an $RrYy$ plant (in $/16$)?

How many pairs of chromosomes are involved in Mendelian dihybrid crosses and dihybrid crosses with linkage,respectively?

In a dihybrid Mendelian cross,how many types of genotype and phenotype will be obtained $:-$

If gene $A$ is dominant for height (tall) and gene $B$ is dominant for white color,what proportion of the $F_1$ progeny from the cross $AABb \times aabb$ will be short and white (in $\%$)?

$A$ human male is heterozygous for autosomal genes $A$ and $B$ and is also hemophilic (gene $h$). What proportion of his sperm will contain the $abh$ gene combination?

$A$ dihybrid plant produced by self-pollination yields $400$ seeds with $9$ different genotypes. How many seeds will have the $TtRr$ genotype?