Test cross in plants or in Drosophila involves crossing
between two genotypes with recessive trait
between two $F_1$ hybrids
the $F_1$ hybrid with a double recessive genotype
between two genotypes with dominant trait.
Heterozygous purple flower is crossed with recessive white flower. The progeny has the ratio
$BB =$ for black colour alleles
$bb =$ for brown colour alleles
Offspring of a cross between a black mouse and brown mouse allowed to interbreed than find out the percentage of black coat in them
Which of the following terms represent a pair of contrasting characters?
Explain the Law of Dominance using a monohybrid cross.
In a dihybrid cross $80$ plants are obtained. The ratio of homozygous and heterozygous shall be