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Question
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Solution
Significance of Crossing over:
(i) As a result of crossing over, the paternal and maternal homologous chromosomes of an organism pair up and exchange certain portions of their chromatids which lead to genetic variations.
(ii) It makes the genetic information in each haploid cell unique.
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RELATED QUESTIONS
Define the following:
Chiasmata
Choose the correct answer:
Crossing over is a feature of _______________
Choose the correct answer:
DNA replication takes place in ______________
Explain the Term Diplotene
Name the Following
Stage in which the crossing-over takes place.
What is terminalization?
What is a tetrad?
What is the bouquet stage?
What is zygotene?
Statement I: Chromosomes become gradually visible under light microscope during leptotene stage.
Statement II: The beginning of diplotene stage is recognized by dissolution of synaptonemal complex.
In the light of the above statements, choose the correct answer from the options given below:
