The Roles of Mitosis and Meiosis (Leaving Cert Biology): Quizzes
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Practise the questions
12 questions from this quiz
When must DNA replication occur?
When must DNA replication occur?
Before any cell division
What is the primary role of mitosis in single-celled organisms?
What is the primary role of mitosis in single-celled organisms?
Reproduction
What type of reproduction occurs when mitosis produces two identical individuals?
What type of reproduction occurs when mitosis produces two identical individuals?
Asexual reproduction
What are the two main functions of mitosis in multicellular organisms?
What are the two main functions of mitosis in multicellular organisms?
Growth and repair
What chromosome number do mitosis daughter cells have compared to the parent cell?
What chromosome number do mitosis daughter cells have compared to the parent cell?
Same number (diploid)
How are daughter cells from mitosis genetically related to the parent cell?
How are daughter cells from mitosis genetically related to the parent cell?
Identical to parent
What is the primary role of meiosis?
What is the primary role of meiosis?
Producing gametes
How many daughter cells does meiosis produce from one parent cell?
How many daughter cells does meiosis produce from one parent cell?
Four cells
What chromosome status do gametes have?
What chromosome status do gametes have?
Haploid (half number)
What happens to chromosome number during fertilisation?
What happens to chromosome number during fertilisation?
Restored to diploid
Why does meiosis provide genetic variation?
Why does meiosis provide genetic variation?
Chromosomes exchange material
How does chromosome number change in meiosis daughter cells?
How does chromosome number change in meiosis daughter cells?
Halved from parent