Gametogenesis, the Menstrual Cycle and Fertilisation

Name: Gametogenesis, the Menstrual Cycle and Fertilisation
Author: StemPy Lab

How does the body make a sperm, and why does it make only one ripe ovum in a month? You follow the cell divisions of spermatogenesis and oogenesis and read the hormone graph of the menstrual cycle. Then you watch fertilisation, the first divisions of the embryo and its fixing in the uterus. It serves the Indian syllabus (NCERT, NEET) and the matching topic of A-Level, IB and AP.

3 lessons, about 1 h 30 min3 simulations11 problems3 practice questionsPython in every lesson

Created by StemPy Lab

Course outline (3 lessons)

Lesson 1about 30 min
Spermatogenesis and oogenesis
Gametes are made by meiosis, which halves the number of chromosomes. In the male this goes on in the seminiferous tubules from puberty and gives four sperms from one cell. In the female it begins before birth, pauses for years and gives one ovum from each cell. This lesson follows both and compares them.
1 simulation1 practice question1 Python program4 problems1 Python lab
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Lesson 2about 30 min
The menstrual cycle and its hormones
The menstrual cycle repeats about every 28 days from puberty to menopause. Four hormones, LH, FSH, oestrogen and progesterone, make the follicle grow, cause ovulation, and prepare the uterus. If the ovum is not fertilised, the lining of the uterus is shed. This lesson reads the cycle as a graph.
1 simulation1 practice question1 Python program4 problems1 Python lab
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Lesson 3about 30 min
Fertilisation, cleavage and implantation
Fertilisation joins a sperm and an ovum in the ampulla to make a zygote with 46 chromosomes. The zygote divides again and again as it moves to the uterus, forms a hollow ball called a blastocyst, and fixes itself into the endometrium. This is implantation, and it begins pregnancy.
1 simulation1 practice question2 Python programs3 problems1 question set1 note
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Gametogenesis and the Cycle: Timed Test

20 questions · 15 min

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Gametogenesis, the Menstrual Cycle and Fertilisation

Course outline (3 lessons)

Spermatogenesis and oogenesis

The menstrual cycle and its hormones

Fertilisation, cleavage and implantation

Test Your Learning

Your teacher

Discussion (0)