The Genomes of Most Animals Contain Multiple Identical Copies of Genes

question 84

Multiple Choice

The genomes of most animals contain multiple identical copies of genes for rRNAs

• A) to allow pseudogenes to evolve.
• B) so that the genes can take on different functions.
• C) because transcription is too slow to supply the needs for the cell.
• D) because transcription is so fast that lots of these genes are required.
• E) to produce short tandem repeats.

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Definitions:

Sex Hormones

Biological compounds that play crucial roles in sexual development, reproduction, and secondary sexual characteristics in various organisms.

Castration

The removal of the testicles in males or ovaries in females; often leads to sterility and can have significant hormonal effects.

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.

Ovulation

The release of an egg from one of a female's ovaries.