Question

Which of the following statements best describes the relationship between meiosis and Mendel’s Law of Independent Assortment?
Non-sister homologs break off and reform on different chromosomes.

Sister chromatids separate in anaphase 2.

Crossing over occurs in metaphase and leads to variation.

Homologous pairs randomly separate in anaphase I.

Answer 1

Answer:

Crossing over occurs in metaphase and leads to variation.

Answer 2

The correct answer is : Homologous pairs randomly separate in anaphase I.

Explanation:

• Law of Independent Assortment describes the manner in which alleles exhibiting different traits are transmitted into the gametes independent of each other and also independent of the allele composition in either of the parents.
• In the metaphase stage of meiosis I of gamete formation, the homologous chromosomes organise linearly along the equatorial plate.
• In the anaphase stage of meiosis I, the homologous pair of different chromosomes randomly separate from each other, independent of their arrangement in the parent.
• This results in the generation of gametes having  composition of chromosomes different from that of either parent after meiosis II.