Meiosis: Where the Sex Starts - Crash Course Biology #13
Interactive Video
•
Science
•
8th Grade
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Practice Problem
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Hard
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chromosomes are typically found in a human body cell compared to a human sex cell (sperm or egg)?
Body cells have 23, sex cells have 46.
Body cells have 46, sex cells have 23.
Both have 23.
Both have 46.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between the cells produced by mitosis and the cells produced by meiosis?
Cells from mitosis are genetically identical, while cells from meiosis are genetically distinct.
Cells from mitosis have half the chromosomes, while cells from meiosis have a full set.
Cells from mitosis are used for reproduction, while cells from meiosis are for growth.
Cells from mitosis are haploid, while cells from meiosis are diploid.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following correctly describes the stages of meiosis?
Meiosis involves one round of cell division with four main stages.
Meiosis involves two rounds of cell division, each with four main stages.
Meiosis involves three rounds of cell division, each with two main stages.
Meiosis involves a continuous process without distinct stages.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of "crossover" and "homologous recombination" during meiosis?
To ensure all daughter cells are identical.
To repair damaged DNA.
To create genetic variation in the offspring.
To increase the number of chromosomes.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of recombination during meiosis?
To create identical copies of chromosomes.
To increase genetic variation in offspring.
To repair damaged DNA segments.
To reduce the number of chromosomes in a cell.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do X and Y chromosomes not always exchange genetic material during meiosis?
They are too small to exchange genetic material.
They are not homologous chromosomes.
They are only present in males.
They are involved in sex determination.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to homologous chromosomes during Anaphase I of meiosis?
Sister chromatids separate.
Homologous chromosomes separate.
Chromosomes replicate.
The nuclear membrane reforms.
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