The Roles of Mitosis and Meiosis (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
When must DNA replication occur in relation to cell division?
When must DNA replication occur in relation to cell division?
Before cell division
Why is DNA replication described as making 'exact copies'?
Why is DNA replication described as making 'exact copies'?
Same sequence of bases as original
What is the primary role of mitosis in single-celled organisms?
What is the primary role of mitosis in single-celled organisms?
Reproduction
What are the two essential functions of mitosis in multicellular organisms?
What are the two essential functions of mitosis in multicellular organisms?
Growth and repair
How many daughter cells does mitosis produce?
How many daughter cells does mitosis produce?
Two cells
What is the genetic relationship between mitosis daughter cells and the parent cell?
What is the genetic relationship between mitosis daughter cells and the parent cell?
Identical to parent
What happens to chromosome number in daughter cells produced by mitosis?
What happens to chromosome number in daughter cells produced by mitosis?
Stays the same (diploid)
What is the primary role of meiosis?
What is the primary role of meiosis?
Produce gametes for sexual reproduction
How many daughter cells does meiosis produce?
How many daughter cells does meiosis produce?
Four cells
What happens to chromosome number during meiosis?
What happens to chromosome number during meiosis?
Halved (diploid to haploid)
Why does meiosis produce genetic variation?
Why does meiosis produce genetic variation?
Chromosomes exchange genetic material
What happens to chromosome number when two gametes fuse during fertilisation?
What happens to chromosome number when two gametes fuse during fertilisation?
Full number restored (diploid)