21.
Identify the phenotypic ratio of Duplicate gene action.

22.
Which of the following is a macronutrient?

23.
The situation in which one gene hides the effect of a second gene when both are present in a chromosome is called

24.
Central dogma is also known as

25.
Which is not an essential element for plants?

26.
The progeny of a single homozygous self pollinated plant is known as

27.
The seed dormancy of paddy is broken by treatment with

28.
Progeny of a single plant obtained by asexual reproduction is

29.
Crossing over occurs between

30.
When we want to transfer a single gene from undesirable variety into a well adopted agronomically desirable variety the most suitable breeding method is