Meiosis

Meiosis

Assessment

Flashcard

Science

7th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is meiosis?

Back

Meiosis is a type of cell division that reduces the chromosome number by half, resulting in four genetically diverse gametes (sperm or eggs). It consists of two consecutive divisions: meiosis I and meiosis II.

2.

FLASHCARD QUESTION

Front

What are the main phases of meiosis?

Back

The main phases of meiosis are: Meiosis I (which includes Prophase I, Metaphase I, Anaphase I, and Telophase I) and Meiosis II (which includes Prophase II, Metaphase II, Anaphase II, and Telophase II).

3.

FLASHCARD QUESTION

Front

What occurs during Prophase I?

Back

During Prophase I, homologous chromosomes pair up and exchange genetic material through a process called crossing-over, leading to genetic variation.

4.

FLASHCARD QUESTION

Front

What is crossing-over and why is it important?

Back

Crossing-over is the exchange of genetic material between homologous chromosomes during Prophase I of meiosis. It is important because it increases genetic diversity in the resulting gametes.

5.

FLASHCARD QUESTION

Front

What happens during Metaphase I?

Back

During Metaphase I, homologous chromosome pairs align at the cell's equatorial plane, preparing for separation.

6.

FLASHCARD QUESTION

Front

What is the significance of Anaphase I?

Back

In Anaphase I, homologous chromosomes are pulled apart to opposite poles of the cell, reducing the chromosome number by half.

7.

FLASHCARD QUESTION

Front

What occurs during Telophase I?

Back

During Telophase I, the cell divides into two daughter cells, each with half the number of chromosomes, and the nuclear membrane may reform.

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