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Cellular Reproduction

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Questions and Answers

What is the function of the centromere during cell division?

It contributes to the formation of new chromosomes.

It allows DNA to replicate.

It initiates the process of cell division.

It holds chromatids together. (correct)

What term is used to describe half of a chromosome?

Chromatid (correct)

Gene

Chromosome

Centromere

How many total chromosomes do humans have?

23 chromosomes

44 chromosomes

46 chromosomes (correct)

48 chromosomes

Which of the following describes sex chromosomes in humans?

<p>Females have two X chromosomes.</p> Signup and view all the answers

What happens to DNA during cell divisions?

<p>DNA is replicated and tightly coiled.</p> Signup and view all the answers

Study Notes

Cellular Reproduction

DNA exists in a chromosome form between cell divisions
Chromosomes form during cell division
DNA coils tightly around proteins
Half of a chromosome is called a chromatid
The constricted area of each chromatid is called the centromere
The centromere holds chromatids together until cell division
Humans have 46 chromosomes
Sex chromosomes determine sex
Females have XX chromosomes
Males have XY chromosomes

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Description

This quiz explores the intricate processes of cellular reproduction, focusing on chromosomes, chromatids, and DNA organization. It covers essential concepts such as the structure of chromosomes, the role of centromeres, and the genetic differences between male and female chromosomes. Test your knowledge on these fundamental biological principles.