Match List I with List II, Principles of Inheritance & Variation

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Q.
Match List I with List II. [2024]

List I List II

A. Two or more alternative forms of a gene I. Back cross

B. Cross of $F_{1}$ progeny with homozygous recessive parent II. Ploidy

C. Cross of $F_{1}$ progeny with any of the parents III. Allele

D. Number of chromosome sets in plant IV. Test cross

Choose the correct answer from the options given below:

1 A-I, B-II, C-III, D-IV

2 A-II, B-I, C-III, D-IV

3 A-III, B-IV, C-I, D-II

4 A-IV, B-III, C-II, D-I

Ans.
(3)

Alleles are the two or more different forms of the same gene. In a typical test cross, an organism showing a dominant phenotype (and whose genotype is to be determined) is crossed with the recessive parent. The cross of an $F_{1}$ hybrid with one of the two parents is called backcross. Ploidy is the number of complete sets of chromosomes in a cell.

Solution

1 A-I, B-II, C-III, D-IV

2 A-II, B-I, C-III, D-IV

3 A-III, B-IV, C-I, D-II

4 A-IV, B-III, C-II, D-I

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	List I		List II
A.	Two or more alternative forms of a gene	I.	Back cross
B.	Cross of $F_{1}$ progeny with homozygous recessive parent	II.	Ploidy
C.	Cross of $F_{1}$ progeny with any of the parents	III.	Allele
D.	Number of chromosome sets in plant	IV.	Test cross