Question

'Synapsis' involves pairing of
(A) homologous chromosomes of same parent
(B) homologus chromosomes of different parent
(C) non-mohologous chromosomes of same parent
(D) non-homologous chromosomes of different parents​

Answer 1

Answer:

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Explanation:

(A) homologous chromosomes of same parent.

Answer 2

Answer:

(B) homologus chromosomes of different parent

Explanation:

Synapsis (also called syndesis) is the pairing of two homologous chromosomes that occurs during meiosis. It allows matching-up of homologous pairs prior to their segregation, and possible chromosomal crossover between them. Synapsis takes place during prophase I of meiosis.

In diploid (2n) organisms, the genome is composed of homologous chromosomes. One chromosome of each homologous pair comes from the mother (called a maternal chromosome) and one comes from the father (paternal chromsosome). Homologous chromosomes are similiar but not identical.