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Test: Linkage and Recombination (NCERT) - NEET MCQ


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5 Questions MCQ Test Biology Class 12 - Test: Linkage and Recombination (NCERT)

Test: Linkage and Recombination (NCERT) for NEET 2024 is part of Biology Class 12 preparation. The Test: Linkage and Recombination (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Linkage and Recombination (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Linkage and Recombination (NCERT) below.
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Test: Linkage and Recombination (NCERT) - Question 1

A man whose father was colour blind marries a women who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind?

Detailed Solution for Test: Linkage and Recombination (NCERT) - Question 1

Colour blindness is a X-chromosome linked character.

 

Test: Linkage and Recombination (NCERT) - Question 2

Depending upon the distance between any two genes which is inversely proportional to the strength of linkage, cross overs will vary from

Detailed Solution for Test: Linkage and Recombination (NCERT) - Question 2

The physical distance between two genes determines both the strength of the linkage and the frequency of the crossing over between two genes The strength of the linkage increases with the closeness of the two genes. On the other hand the frequency of crossing over increases with the increase in the physical distance between the two genes.

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Test: Linkage and Recombination (NCERT) - Question 3

A human female with Turner’s syndrome :

Detailed Solution for Test: Linkage and Recombination (NCERT) - Question 3

A human female with Turner’s syndrome has single sex chromosome i.e., 44 + X0 (45). Such females are called sterile females with rudimentary ovaries. Other associated phenotypes of this condition are short stature, webbed-neck, broad chest, lack of secondary sexual characteristics and sterility. Thus, any imbalance in the copies of the sex chromosomes may disrupt the genetic information necessary for normal sexual development.

Test: Linkage and Recombination (NCERT) - Question 4

A gene showing codominance has :

Detailed Solution for Test: Linkage and Recombination (NCERT) - Question 4

In codominance both alleles are independently expressed in the heterozygote.

Test: Linkage and Recombination (NCERT) - Question 5

In his classic experiments on pea plants, Mendel did not use :

Detailed Solution for Test: Linkage and Recombination (NCERT) - Question 5

Mendel did not use pod length for his experiment.

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