Spermatogenesis vs. Oogenesis

Topics: Human chorionic gonadotropin, Alternative medicine, Meiosis Pages: 5 (1354 words) Published: April 5, 2013
1. Compare Spermatogenesis to oogenesis in the table below (8) AC 1.1 | Spermatogenesis| Oogenesis|
Where?| | |
What age does this process start?| | |
What age does this process stop?| | |
From one primary cell how many mature cells are formed?| | | How often are mature cells released?| | |
When does Meiosis I begin| | |
When does Meiosis II begin| | |
When is meiosis II completed| | |

2. In the early stages of pregnancy, hCG is found in the urine of the woman. Explain why this is an indicator of pregnancy. (2) AC1.3
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3. Name two different forms of contraception and describe how they prevent pregnancy. (6)AC1.4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

5. Describe three secondary sexual characteristics of males and females? (6)AC4.1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 6. Name one system of the human body. Describe the changes which occur to that systems as a result of aging.(3 marks)AC4.2...
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