Topics: BTEC Biological Approach Revise Quiz
At about 6 weeks the SRY gene does what ?
A. causes the embryo to develop testes.
B. causes the embryo to develop as ovaries.
C. Causes the embryo to deform
D. Causes the embryo to sing
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Messages are sent around the brain and body via
A. Blood
B. Sensation
C. Neurons
D. Genes