Principle Of Inheritance And Variation Question 389
Question: Match the column-I with column-II and choose the correct option.
Column-I Columan-II A. Non-parental gene exchange I. Crossing over B. Non-sister chromatids II. X and Y C. Sex chromosome III. Autosome- linked disease D. Thalassaemia IV. Recombination
Options:
A) A-IV; B-I; C-II; D-III
B) A-II; B-I; C-IV; D-III
C) A-II; B-IV; C-III; D-I
D) A-II; B-IV; C-I; D-III
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Crossing over takes place only in non- sister chromatid.
In sisters chromatids, the crossing over does not take place.
Non Parental gene exchange ? Recombination Non sister chromatid - Crossing over Sex Chromosome - X and Y Thalassaemia - Autosome-linked recessive disease.