The diagram in Fig - OCR Gateway - GCSE Biology Combined Science - Question 15 - 2019 - Paper 8
Question 15
The diagram in Fig. 15.1 shows events that occur during human sperm production.
Stage 1
Stage 2
Fig. 15.1
Worked Solution & Example Answer:The diagram in Fig - OCR Gateway - GCSE Biology Combined Science - Question 15 - 2019 - Paper 8
Step 1
Stage 1: Germinal epithelium (contains one pair of chromosomes)
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Answer
Stage 1 involves the germinal epithelium which is the starting point of sperm production. It contains one pair of chromosomes and undergoes division to form primary spermatocytes.
Step 2
Stage 2: Mature sperm formation
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In Stage 2, the primary spermatocytes undergo meiosis to produce secondary spermatocytes, which then further develop into spermatids. Finally, these spermatids undergo differentiation to become mature sperm.
