Explore topic-wise MCQs in Life Sciences.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

Name the sites of DNA, which have a high probability of crossing over?

A. Cold spots
B. Hot spots
C. Covalent bond
D. Hydrophobic bond
Answer» C. Covalent bond
2.

Two genes are 70cM apart, calculate the recombination frequency?

A. 50%
B. 100%
C. 25%
D. 23%
Answer» B. 100%
3.

TWO_GENES_ARE_70CM_APART,_CALCULATE_THE_RECOMBINATION_FREQUENCY??$

A. 50%
B. 100%
C. 25%
D. 23%
Answer» B. 100%
4.

Name_the_sites_of_DNA,_which_have_a_high_probability_of_crossing_over?$

A. Cold spots
B. Hot spots
C. Covalent bond
D. Hydrophobic bond
Answer» C. Covalent bond
5.

Name the organism whose first genetic map was made?

A. Rat
B. Arabidopsis
C. Fly
D. Drosophila
Answer» E.
6.

Failure in which of the following phenomenon would result in linkage?

A. Law of dominance
B. Law of segregation
C. Law of independent assortment
D. Law of separation
Answer» D. Law of separation
7.

Name the phenomenon which can break the occurrence of linkage?

A. Crossing over
B. Linkage
C. Reconstruction
D. Breakage
Answer» B. Linkage
8.

What is the maximum percentage of recombination frequency between two genes?

A. 75%
B. 100%
C. 50%
D. 25%
Answer» C. 50%
9.

What is the unit of linkage map?

A. Morgan
B. Centi-morgan
C. Centimeter
D. Angstrom
Answer» C. Centimeter
10.

The linkage maps are constructed by using recombination frequencies between genes.

A. True
B. False
Answer» B. False
11.

Which of the following statement is NOT true regarding linkage group?

A. Group of physically linked genes
B. Represent a haploid number of chromosomes
C. Shown by linkage map
D. Linkage groups are not correlated with each other
Answer» E.
12.

The tendency of two or more than two genes to stay together during inheritance is called ___________

A. Genetics
B. Gene interaction
C. Crossing over
D. Linkage
Answer» E.