Biology: Chromosomes

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Each human body cell contains ____ chromosomes, or ____ pairs of chromosomes.

46, 23

Studies suggest that the average person has ____ unique mutations.

50-200

Chromosomes are only package tightly when...

A cell is reproducing.

What is a chromosome?

An entire chain of DNA along with a group of stabilizing proteins.

What are mutations?

Any change or difference in genetic code.

What are the other 44 chromosomes called?

Autosomes

When is DNA condensed into chromosomes?

Cell division

What are diploid cells?

Cells with two sets of chromosomes

What the is DNA material chromosomes are not condensed called?

Chromatin

What information can you get from a karyotype?

Gender, abnormalities, and what type of organism

What are the proteins called?

Histones

One member of each pair of chromosomes comes from ____ and one pair comes from ____.

Mother, father

What are gametes?

Sex cells (sperm and egg)

What is another word for body cells?

Somatic cells

What is a human genome?

The entire collection of genes that makes is who we are.


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