DP Biology (last assessment 2024)

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Question 23M.1.HL.TZ1.24

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1.HL.TZ1.24
Level HL Paper 1 Time zone TZ1
Command term Question number 24 Adapted from N/A
24.
[Maximum mark: 1]
23M.1.HL.TZ1.24

What causes gonads to develop as testes in humans?

A.  Effect of placental hormones

B.  Initiation of testosterone secretion in puberty

C.  Development of secondary sexual characteristics

D.  Activation and transcription of a gene on the Y chromosome

[1]

Markscheme

D