$A$ diploid organism is heterozygous for $4$ loci. How many types of gametes can be produced?

If the cells of an organism heterozygous for two pairs of characters,$Aa$ and $Bb$,undergo meiosis,what will be the genotypes of the gametes produced?

When a tall and red-flowered individual is crossed with a dwarf and white-flowered individual,the phenotype in the progeny is dwarf and white. What will be the genotype of the tall and red-flowered individual?

In a dihybrid cross experiment,what is the phenotypic ratio obtained from the test cross of $F_1$ generation plants?

How many phenotypes can be obtained if a pea plant $(RrTt)$ is crossed with another pea plant with the same genotype?

$A$ human male produces sperms with the genotypes $AB, Ab, aB,$ and $ab$ pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person?