The Processes of Synapsis and the Formation of Chiasmata

question 83

Multiple Choice

The processes of synapsis and the formation of chiasmata

• A) involve reciprocal exchange of chromosomal sections.
• B) involve the recombination of DNA on homologous chromosomes.
• C) bring about an increase in genetic variation.
• D) provide evidence that an exchange of genetic material has occurred.
• E) All of the above

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Definitions:

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to and removing waste from the fetus through the umbilical cord.

Zygote

The initial cell formed when a new organism is conceived by the union of an egg and a sperm cell, containing genetic information from both parents.

Testosterone

A steroid hormone that plays a key role in the development of male reproductive tissues as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.

Rudimentary Form

The most basic or primitive stage of development.