Question

using the image, which process would result in the formation of chromosome c from chromosomes a and b? a = axial flowers, i = inflated pod (chromosome a); a = terminal flowers, = constricted pod (chromosome b); a = terminal flowers, i = inflated pod (chromosome c). options: a) asexual reproduction, b) crossing over, c) independent assortment, d) segregation

Explanation:

To determine the process forming chromosome C from A and B, analyze each option:

• A) Asexual reproduction involves identical offspring, not chromosome recombination. Eliminate.
• B) Crossing over (during meiosis) swaps genetic segments between homologous chromosomes. Chromosome C has “a” (from B) and “I” (from A), indicating a segment swap—matching crossing over.
• C) Independent assortment refers to allele segregation of different genes, not segment swapping between chromosomes. Eliminate.
• D) Segregation is separation of alleles during gamete formation, not recombination between chromosomes. Eliminate.

Answer:

B) crossing over