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Get Answers to all your Questions
In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Tick the correct option.
Assertion: Exchange of genetic material between two homologous chromosomes occurs in interkinesis stage of meiosis.
Reason: Because crossing over takes place in Interkinesis stage of Meiosis-I.
Both Assertion & Reason are true and the reason is the correct explanation of the assertion.
Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
Assertion is true statement but Reason is false.
Both Assertion and Reason are false statements.
Answers (1)
Pachytene: During this period, non-sister chromatids can exchange genetic information. (not containing identical DNA information). Crossing over takes place at this stage of Prophase I.
In Interkinesis, The cells go through cytokinesis I before entering interkinesis. The transitional period between meiosis I and meiosis II. Meiosis II is getting about to happen. It is called as intermeiotic interphase.
When chromosomes of the same type are paired together during meiosis, a biological event called crossing over takes place. Parts of the chromosome can be exchanged when two chromosomes, one from the mother and one from the father, line up. The same genes may be present on the two chromosomes in different versions.
Option 4 is the correct answer.
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