Explore topic-wise MCQs in Cytogenetics.

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

1.

In case of summer squash, the W locus shows dominant epistasis over the Y locus. W locus develop white colour while /- give yellow and y/y gives green. If you cross a yellow and a green summer squash you can t get______________

A. Yellow
B. Green
C. White
D. You can get all
Answer» D. You can get all
2.

Dominant epistasis ratio with A as epistatic gene 12:3:1 corresponds to ________________

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

In case of dominant epistasis which of the following will have the same expression, when A is the epistatic locus?

A. A/a B/b and a/a B/b
B. A/A b/b and A/A B/b
C. a/a b/b and A/a b/b
D. a/a b/b and a/a B/B
Answer» C. a/a b/b and A/a b/b
4.

Epistasis can produce a ratio of 12:3:1.

A. True
B. False
Answer» B. False