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Meiosis Process Overview

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Questions and Answers

What is the primary purpose of crossing-over during meiosis?

To produce identical offspring
To speed up the cell division process
To decrease genetic variability
To exchange alleles between chromatids (correct)

During which phase of meiosis does crossing-over between chromatids occur?

Prophase I (correct)
Anaphase I
Prophase II
Metaphase II

What is the result of meiosis II in terms of the number of cells produced?

Two diploid cells
Four diploid cells
Two haploid cells
Four haploid cells (correct)

What is the main function of tetrads during meiosis?

To exchange genetic material between homologous chromosomes (D) Signup and view all the answers

What occurs during anaphase I of meiosis?

Homologous chromosomes separate to opposite poles (A) Signup and view all the answers

What occurs during telophase I of meiosis?

Formation of nuclear membranes around chromosome clusters (B) Signup and view all the answers

During prophase II of meiosis, what happens to the chromosome pairs?

They separate into individual chromatids (A) Signup and view all the answers

What is the outcome of anaphase II in meiosis?

Chromosome pairs separate into component chromatids (D) Signup and view all the answers

How many haploid nuclei are formed during telophase II of meiosis?

Four (D) Signup and view all the answers

What is the final outcome of cytokinesis in meiosis II?

Formation of four haploid gamete cells (B) Signup and view all the answers

What is the main difference between meiosis and mitosis?

Meiosis involves two cell divisions producing haploid cells, while mitosis involves one cell division producing diploid cells. (C) Signup and view all the answers

What is the meaning of 'diploid' in relation to chromosomes?

Diploid means the cell has a full set of chromosomes, represented as 2n. (C) Signup and view all the answers

Why do gametes produced by meiosis contain mixed genetic information?

As a result of the combination of paternal and maternal genetic information in each gamete. (A) Signup and view all the answers

What is the role of meiosis in a male organism?

To generate sperm cells with half the DNA of the parent cell. (A) Signup and view all the answers

How do haploid cells differ from diploid cells?

Haploid cells have half the number of chromosomes as diploid cells. (C) Signup and view all the answers

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