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Mitosis and Meiosis- Martini1111

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Questions and Answers

What is the main difference between mitosis and meiosis?

Mitosis produces haploid cells while meiosis produces diploid cells.

Mitosis produces genetically identical cells while meiosis produces genetically different cells. (correct)

Mitosis only occurs in gametes while meiosis occurs in all cells.

Mitosis involves two cycles of cell division while meiosis involves only one

How many chromosomes are found in human somatic cells?

23 chromosomes

46 chromosomes (correct)

92 chromosomes

69 chromosomes

What is the ploidy of daughter cells produced in mitosis?

Haploid (n

Diploid (2n (correct)

Triploid (3n

Tetraploid (4n

What is the purpose of meiosis?

To produce haploid cells for sexual reproduction Signup and view all the answers

How many cycles of cell division occur in meiosis?

Two Signup and view all the answers

What is the ploidy of gametes?

Haploid (n Signup and view all the answers

What is the result of the fusion of a male and female gamete?

A cell with the normal number of chromosomes Signup and view all the answers

When does DNA replication occur in meiosis?

Before the first cycle of cell division Signup and view all the answers

What is synapsis in meiosis?

The pairing of maternal and paternal chromosomes Signup and view all the answers

How many pairs of chromosomes are involved in synapsis in meiosis?

23 pairs Signup and view all the answers

Study Notes

Mitosis produces genetically identical cells while meiosis produces gametes.
Human somatic cells contain 23 pairs of chromosomes, or 46 chromosomes in total.
Each chromosome pair consists of one from the father and one from the mother.
Daughter cells produced in mitosis are diploid (2n = 46) while those produced in meiosis are haploid (n = 23).
Meiosis involves two cycles of cell division and produces four haploid cells.
Gametes contain only one member of each homologous pair of chromosomes.
The fusion of a male and female gamete produces a cell with the normal number of chromosomes.
DNA replication occurs before meiosis, producing duplicated chromosomes with two chromatids each.
In meiosis, maternal and paternal chromosomes come together in synapsis.
Synapsis involves 23 pairs of chromosomes.