21.
When the ovule is bent like a horseshoe, is known as

22.
The ratio of economic yield to the biological yield is

23.
The outbreeding individuals suffer from inbreeding depression when subjected to close mating. In which of the following types of mating, the inbreeding depression will be cute

24.
The situation when dominant and recessive alleles are expressed itself together is known as

25.
The cotyledons in gymnosperms are called

26.
Translation means transfer of Genetic information from

27.
The process in which chromosomes exchange materials through the breakage and reunion of their DNA molecule is known as

28.
Polytene chromosomes are formed due to

29.
Self incompatibility arises due to

30.
Highest uniformity is present in