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Define crossing over....

Define crossing over.

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Exchange of genetic material between non-sister chromatids of homologous chromosomes is called crossing over.
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Meiosis is also alled reductional division because it halves the chromosome number in the daughter cells than those in the parental cell. It is so as the parental cell divides twice, while the chromosomes duplicate only once. Mciosis is of three types on the basis of period and site of occurrence of metosis. Answer the following questions on meiosis: (i) Name the longest phase of meiosis-I and sequence of its subphase... (ii) Define crossing over. Give its significance, (in) State one difference between gametic meiosis and zygotic meiosis.

Define crosing over .

What happens in crossing over :-

Assertion :- During pachytene crossing over takes place which is dependent on recombinase Reason:- Recombinase is the group of enzymes involved in crossing over and crossing over is an enzyme dependent process.

The segment of DNA which participates in crossing over is termed as

What occurs in crossing over :

Describe the complete process of crossing over.

Name the stages of synapsis and crossing over.

Differentiate between linkage and crossing over.

Define the term crossing-over. Name the stage of cell cycle when it occurs.