What Happens Physically During the Process of Crossing Over

question 43

Multiple Choice

What happens physically during the process of crossing over?

• A) Two homologous chromatids break and rejoin at random sites within each chromatid.
• B) The genetic information on one chromatid is replaced by copying genetic information from a homologous chromatid without there being any physical exchange between the chromosomes.
• C) Two homologous chromatids break and rejoin at precisely the same site along the chromosome so that there is no loss or gain of material on either product.
• D) A segment of one chromatid is cut out and then pasted into the other chromatid.
• E) It is not known what occurs during crossing over.

---

Definitions:

Contract

A legally binding agreement between two or more parties that outlines the terms and conditions of their relationship or transaction.

Child Safety Seats

Devices installed in vehicles to protect young children from injury or death during collisions.

Automobiles

Self-propelled vehicles designed for transport on public roads, commonly used for personal and commercial transportation.

Left-Brained

Refers to a person who is thought to have a cognitive preference for analytical and logical processing, traditionally associated with the left hemisphere of the brain.