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प्रश्न
उत्तर
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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संबंधित प्रश्न
Define the following:
Chiasmata
Choose the correct answer:
DNA replication takes place in ______________
How prophase-I of meiosis differs from prophase of mitosis in an essential way? Describe how it affects the daughter cells?
Differentiate between
Chiasmata and crossing over.
Name the Following
Stage in which the crossing-over takes place.
Give Technical Terms
Crossing over occurs during the third substage of meiosis.
Multiple Choice Question:
The regions where crossing-over takes place are called
Write the functional activity of the following structure:
Chiasmata
What is a tetrad?
What is the bouquet stage?
