The hybrids are generally found to be superior to their parents, it is because of
Homozygosity
Hybrid vigour
Parents are generally weak
None of these
When Mendel self hybridised the $F_{1}$ plants $(RrYy)$, he found that dominant and recessive traits of one character are segregated in a
Sex-linked genes of man are
Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino
Which of the following phenomena leads to variation in $DNA$?