Whales and Indohyus Share a More Recent Common Ancestor Than

question 4

Multiple Choice

Whales and Indohyus share a more recent common ancestor than whales and fish.Which of the following is true?

• A) Whales, fish, and Indohyus will all have the same amount of genetic similarities.
• B) Whales and Indohyus will have more similarities in their DNA than whales and fish.
• C) Whales and fish will have more similarities in their DNA than whales and Indohyus.
• D) Fish and Indohyus will have more similarities in their DNA than fish and whales.

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Definitions:

Y Chromosome

One of the two chromosomes that determine sex; in males, one member of the 23rd pair of chromosomes is Y.

Male or Female Genitalia

The sexual and reproductive organs specific to males (penis, scrotum, etc.) and females (vagina, ovaries, etc.).

Y Chromosome

A sex chromosome found in mammals, including humans, that is typically associated with male characteristics and is paired with an X chromosome in males.

Hormones

Chemical messengers produced by glands in the body, which regulate various physiological processes and behaviors.