Question

examine the model.
which statement best describes the process shown in the model?
a. it shows independent assortment, in which homologous chromosomes line up randomly and are separated in different combinations.
b. it shows mitosis, in which chromosomes are replicated so that each new daughter cell receives its own complete copy of dna.
c. it shows crossing over, in which non - sister chromatids exchange corresponding sections of dna during meiosis.
d. it shows fertilization, in which two gametes fuse to form a zygote with a complete set of chromosomes.

Explanation:

The model depicts non - sister chromatids of homologous chromosomes exchanging DNA segments. This is characteristic of crossing over in meiosis. Independent assortment (A) is about chromosome alignment and separation. Mitosis (B) involves daughter cells getting a full DNA copy without such chromatid exchange. Fertilization (D) is gamete fusion, not shown here. So, the process is crossing over (C).

Answer:

C. It shows crossing over, in which non - sister chromatids exchange corresponding sections of DNA during meiosis.