★ Must-know
📌 Members of the same species can reproduce sexually and produce offspring that can also reproduce sexually.
Further detail
Same-species offspring can reproduce; hybrid offspring are usually infertile.
★ Must-know
Gametes carry the instructions for making a new organism, and each gamete made by a parent contains slightly different instructions for characteristics.
A male gamete and a female gamete join to form a fertilised egg cell, or zygote.
Further detail
1. Two members of the same species produce offspring. What is true of those offspring?
2. A horse and a donkey produce offspring. How is that offspring classified, and what is true of its fertility?
3. What does inherited variation describe?
What occurs during sexual reproduction?
Two organisms breed and produce new organisms.
What can members of the same species produce through sexual reproduction?
Offspring that can also reproduce sexually.
How do hybrids form?
They are offspring of organisms from two different species.
Can hybrids reproduce sexually?
No, they cannot reproduce sexually.
What is inherited variation?
Variation in characteristics that offspring inherit from their parents.
What forms when male and female gametes join?
A fertilised egg cell, or zygote.
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