Biology Chapter: Mitosis and Meiosis Quiz

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What is the main purpose of mitosis?

To halve the chromosome number

To produce identical cells for growth and repair (correct)

To maintain genetic variation

To produce gametes for reproduction

Which phase of meiosis is characterized by the separation of homologous chromosomes?

Prophase II

Telophase I

Anaphase I (correct)

Metaphase I

In DNA replication, if the template strand is A T C G G T, what would be the resulting complementary strand?

A T C G G T

T U C G C A

A U C G G U

T A G C C A (correct)

What is one result of crossing over during meiosis?

Genetic variation among gametes Signup and view all the answers

Which statement about spermatogenesis is correct?

It results in four unique sperm cells per precursor cell. Signup and view all the answers

Which of the following processes occurs during interphase before mitosis?

DNA is replicated Signup and view all the answers

How does the chromosome number of daughter cells produced by meiosis compare to the parent cell?

It is halved (haploid) Signup and view all the answers

Which phase of mitosis follows metaphase?

Anaphase Signup and view all the answers

What role does the midpiece of a sperm play?

It provides energy for mobility. Signup and view all the answers

What is produced during oogenesis?

One mature egg cell and three polar bodies. Signup and view all the answers

How does crossing over contribute to genetic diversity?

It exchanges genetic material between homologous chromosomes. Signup and view all the answers

What is the significance of the zona pellucida surrounding an egg cell?

It is a barrier that sperm must penetrate for fertilization. Signup and view all the answers

What process contributes to the random distribution of chromosomes to gametes during meiosis?

Independent assortment. Signup and view all the answers

Why is genetic diversity crucial for populations?

It allows adaptation to changing environments. Signup and view all the answers

What role do polar bodies play in oogenesis?

They are unnecessary cells that generally disintegrate. Signup and view all the answers

Which of the following statements about the structure of DNA is correct?

It has a sugar-phosphate backbone. Signup and view all the answers

Biology Chapter: Mitosis and Meiosis Quiz

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Questions and Answers

What is the main purpose of mitosis?

Which phase of meiosis is characterized by the separation of homologous chromosomes?

In DNA replication, if the template strand is A T C G G T, what would be the resulting complementary strand?

What is one result of crossing over during meiosis?

Which statement about spermatogenesis is correct?

Which of the following processes occurs during interphase before mitosis?

How does the chromosome number of daughter cells produced by meiosis compare to the parent cell?

Which phase of mitosis follows metaphase?

What role does the midpiece of a sperm play?

What is produced during oogenesis?

How does crossing over contribute to genetic diversity?

What is the significance of the zona pellucida surrounding an egg cell?

What process contributes to the random distribution of chromosomes to gametes during meiosis?

Why is genetic diversity crucial for populations?

What role do polar bodies play in oogenesis?

Which of the following statements about the structure of DNA is correct?

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