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Fertilisation and inheritance Video Lecture | Year 9 Biology (Cambridge)

FAQs on Fertilisation and inheritance Video Lecture - Year 9 Biology (Cambridge)

1. What is fertilization and how does it occur?

Ans. Fertilization is the process where a sperm cell fuses with an egg cell to form a zygote. This typically occurs in the fallopian tube of a female reproductive system after sexual intercourse.

2. What are the different stages of fertilization?

Ans. The stages of fertilization include the penetration of the egg by the sperm, the fusion of the genetic material from both cells, and the formation of a zygote which will eventually develop into an embryo.

3. How does inheritance work in terms of genetic material from both parents?

Ans. Inheritance involves the passing down of genetic information from both parents to their offspring. This genetic material determines various traits and characteristics of the offspring.

4. Can fertilization and inheritance be influenced by external factors?

Ans. While fertilization is a biological process that typically occurs naturally, external factors such as lifestyle choices, environmental conditions, and genetic mutations can sometimes impact the process. Inheritance, on the other hand, is largely determined by the genetic information passed down from parents.

5. Are there any genetic disorders that can be inherited through fertilization?

Ans. Yes, certain genetic disorders can be inherited through fertilization if one or both parents carry the gene for the disorder. These disorders can be passed down to the offspring and may require medical intervention for treatment.

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Sep 04, 2025 Last updated

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