3 years ago

Brainliest to who types this up correctly!!!

Biology

1 answer:

evablogger [386]3 years ago

3 0

Answer:

The Y chromosome is an accurate indicator of a person's external sex organs.

Explanation:

Since females have two X chromosomes while males have one X and one Y chromosome, if you are aware of the presence of a Y chromosome you can safely assume that a person is a male. Therefore, you can assume what external sex organs a male has.

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