B1.2 B | Flashcards

Flashcards by Jaweria Khalid, created more than 1 year ago

Year 11 Biology Flashcards on B1.2 B, created by Jaweria Khalid on 02/12/2017.

	Created by Jaweria Khalid over 6 years ago

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What decides an embryo's sex?

What makes a baby male?

How different sex's develop in the womb?

What are hormones?