Question

In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to

(a) segregation, independent assortment and crossing over

(b) segregation and crossing over

(c) independent assortment and crossing over

(d) segregation and independent assortment.

Answer 1

In meiosis segregation, independent assortment and crossing over is takes place therefore they differ from parent cell as well as amongst themselves too.

Segregation is the process which takes place in eukaryotics. In which the two sister chromatids are seperated by the consequences of DNA replication.

Two homologous chromosomes are moves towards opposite sides and segregation is takes place.

In meiosis process pairs of homologus chromosomes are seperated from the parent by assortment. This assortment is random and because of this maternal chromosomes will not seperated into one cell and paternal chromosomes will seperated into another.

Crossing over occurs at the first stage of meiosis and pairs of homologus chromosomes seperated into two strands called as sister chromatids.

Hence option (a) is correct.