Worked example
A diploid cell divides into two daughter cells that retain the original chromosome number. Which process fits?
Answer & why
Answer: mitosis
Mitosis usually preserves chromosome number in the daughter cells.
Grade 9 · Science
Compare mitosis and meiosis in simplified models
Distinguish the usual chromosome outcomes of mitosis and meiosis in a stated diploid model.
6 authored questions + worked example
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All questions
All 6 authored questions for this skill.
Question 1
A diploid cell has 6 chromosomes. After ordinary mitosis, how many chromosomes does each daughter cell have?
- meiosis
- 6 chromosomes
- mitosis
- 3 chromosomes
A hint
In the simplified diploid model, mitosis usually preserves chromosome number in two daughter cells.
Answer & why
Answer: 6 chromosomes
Mitosis preserves the starting number of 6 in each daughter cell.
Question 2
A diploid cell has 6 chromosomes. How many chromosomes are in each haploid product of normal meiosis?
- mitosis
- 3 chromosomes
- 6 chromosomes
- meiosis
A hint
In the simplified diploid model, mitosis usually preserves chromosome number in two daughter cells.
Answer & why
Answer: 3 chromosomes
Half of 6 is 3.
Question 3
A diploid cell has 8 chromosomes. After ordinary mitosis, how many chromosomes does each daughter cell have?
- 6 chromosomes
- 8 chromosomes
- meiosis
- mitosis
A hint
In the simplified diploid model, mitosis usually preserves chromosome number in two daughter cells.
Answer & why
Answer: 8 chromosomes
Each daughter cell normally retains 8 chromosomes.
Question 4
A diploid cell has 8 chromosomes. How many are in each haploid product of normal meiosis?
- 6 chromosomes
- 4 chromosomes
- mitosis
- meiosis
A hint
In the simplified diploid model, mitosis usually preserves chromosome number in two daughter cells.
Answer & why
Answer: 4 chromosomes
Meiosis reduces the chromosome number from 8 to 4.
Question 5
A diploid cell divides into two daughter cells that retain the original chromosome number. Which process fits?
- 6 chromosomes
- mitosis
- 3 chromosomes
- meiosis
A hint
In the simplified diploid model, mitosis usually preserves chromosome number in two daughter cells.
Answer & why
Answer: mitosis
Mitosis usually preserves chromosome number in the daughter cells.
Question 6
A diploid cell produces haploid cells with half its chromosome number. Which process fits?
- 6 chromosomes
- meiosis
- mitosis
- 3 chromosomes
A hint
In the simplified diploid model, mitosis usually preserves chromosome number in two daughter cells.
Answer & why
Answer: meiosis
Meiosis includes a reduction of chromosome number.