Question

What will be the probability of non parental offsprings in f2 generation ofa character regulated by 2 genes?

Answer 1

Explanation:

Mendel believed that a factor or gene is responsible for the expression of one character

Answer 2

The probability of a non-parental offspring in the F2 generation of a character regulated by 2 genes is 1/4.

• In the F2 generation of a Mendelian monohybrid cross, the parents are heterozygous and show a dominant phenotype.
• As a result of this cross, four offspring are produced.
• These offspring have three different genotypes, these are homozygous dominant, heterozygous (2), and homozygous recessive.
• The homozygous dominant and the two heterozygous offspring show dominant phenotypes (like their parents).
• The homozygous recessive offspring shows recessive traits (unlike its parents).
• Hence, out of 4 offspring in the F2 generation, only 1 shows non-parental characters.