Home
Class 12
BIOLOGY
[A] : Meiosis maintains a constant numbe...

[A] : Meiosis maintains a constant number of chromosomes .
[R] : Synapsis and crossing over introduce changes in the DNA .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CELL CYCLE AND CELL DIVISION

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|158 Videos

  • Cellular Respiration

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|12 Videos

Similar Questions

Explore conceptually related problems

Name the stages of synapsis and crossing over.

During meiosis-I, the number of chromosomes is

In meiosis crossing over is initiated at

[A]: Meiotic division in meiosis results in reduced number of chromosomes. [R]: Synapses occurs during zygotene of meiosis.

During meiosis crossing over occurs at :

The points of crossing over in meiosis appear as

Assertion: Crossing over leads to recombination of genetic material on the two chromosomes. Reason: Crossing over is the exchange of genetic material between two homologous chromosomes.