Explore topic-wise MCQs in Cytogenetics Questions and Answers.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

You crossed two heart shaped Shepherd’s purse which is heterozygous at one locus and homozygous recessive at other gene locus, what would be the ratio of heart shaped and narrow in F1?

A. All heart
B. All narrow
C. 3:1
D. 15:1
Answer» B. All narrow
Discussion
2.

The 15/16 of the duplicate dominant epistasis doesn’t correspond to _____________

A. A/a B/b
B. A/A b/b
C. a/a B/b
D. a/a b/b
Answer» E.
Discussion
3.

Shepherd’s purse has two shape heart and narrow. If you cross a true breeding heart to a true breeding narrow, F1 will give___________

A. Heart
B. Narrow
C. A mixture of heart or narrow
D. Disc shaped
Answer» B. Narrow
Discussion
4.

In sweet pea a white substance is first converted to a ___________ substance by 1st gene and that to a ______________ substance by 2nd gene to give a purple flower.

A. Yellow, purple
B. Green, purple
C. Purple, yellow
D. White, yellow
Answer» E.
Discussion