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Questions and Answers
What is the result of the interaction between the male and female reproductive systems during sexual intercourse?
What is the result of the interaction between the male and female reproductive systems during sexual intercourse?
- Creation of 46 chromosomes in the zygote
- Formation of zygote by meiosis
- Production of gametes
- Fertilization of the ovum by the sperm (correct)
What is the chromosome count of gamete cells?
What is the chromosome count of gamete cells?
- 23 single chromosomes (correct)
- 46 pairs of chromosomes
- 23 pairs of chromosomes
- 46 single chromosomes
What is the process called when two gamete cells merge into one zygote cell?
What is the process called when two gamete cells merge into one zygote cell?
- Mitosis
- Meiosis
- Genetic recombination (correct)
- Cross-fertilization
What follows human fertilization and the formation of a zygote?
What follows human fertilization and the formation of a zygote?
What is the typical chromosome count of the new zygote after fertilization?
What is the typical chromosome count of the new zygote after fertilization?
Flashcards
What is fertilization?
What is fertilization?
The fusion of a sperm and an ovum, resulting in the creation of a zygote.
Chromosome count in gametes?
Chromosome count in gametes?
Gametes, such as sperm and egg cells, contain 23 single chromosomes.
What is genetic recombination?
What is genetic recombination?
The process where two gamete cells combine, creating a unique combination of genes in the resulting zygote.
What follows fertilization?
What follows fertilization?
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Chromosome count of a zygote?
Chromosome count of a zygote?
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Study Notes
Reproductive System Interaction
- During sexual intercourse, the male and female reproductive systems interact to facilitate fertilization, where sperm from the male reproductive system fuses with the egg from the female reproductive system.
Gamete Cells
- Gamete cells, namely sperm and egg cells, each have a chromosome count of 23.
Fertilization
- The process of two gamete cells merging into one zygote cell is called fertilization.
Post-Fertilization
- After human fertilization and the formation of a zygote, the zygote begins to divide and grow, eventually forming a blastocyst, which implants in the uterus, marking the beginning of embryonic development.
Zygote Chromosome Count
- The typical chromosome count of the new zygote after fertilization is 46, resulting from the fusion of the 23 chromosomes from the sperm and the 23 chromosomes from the egg.
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