In pea hybrids between red flowered and white flowered strains were crossed back to pure red flowered strain. The progeny of this cross will have
Red flowers only
White flowers only
Equal number of red and white flowers
Mostly red flowers
An exception to Mendel's law is
An organism's genetic constitution is called its
In a zygote if the number of alleles is two in alternate forms, the expression of adult would be
Heterozygous purple flower is crossed with recessive white flower. The progeny has the ratio
The first "geneticist'' was