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Class XII Biology Principles of Inheritance and Variation 2

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Question 1

Type of gamete participating in selfing of members in monohybrid cross are

Question 2

Which of the following is an exception to Mendel's Law

Question 3

Mendel's laws of independent assortment is

Question 4

Criss cross inheritance means

Question 5

The evidence that crossing over occurs at four stranded stage and not at two stranded stage of the chromosomes, comes from

Question 6

Match the genetic phenomena with their respective ratios.
Column I
A. Inhibitory gene ratio
B. Complementary gene ratio
C. Recessive epistasis ratio
D. Dominant epistasis ratio
Column II
1. 9:3:4
2. 12:3:1
3. 13:3
4. 9:7

Question 7

Who proposed the concept of jumping genes?

Question 8

What is the unit of crossing over
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