Chromosomes

A _______ is a segment of DNA that codes for a specific protein or RNA molecule.

• gene

• gamete

• chromosome

• chromatid

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

A _________ is DNA tightly coiled around proteins.

• gene

• chromosome

• trait

• mutation

Tags

NGSS.HS-LS1-1

The 2 exact copies of DNA in a chromosome are called ________.

• chromatids

• genes

• mutations

• pathogens

The two sister chromatids are attached to each other at a point called the __________ of a chromosome.

• zygote

• autosome

• gene

• centromere

Tags

NGSS.HS-LS1-4

How many chromosomes does a human body cell have, total?

• 48

• 46

• 23

• 47

Tags

NGSS.MS-LS3-1

Chromosomes that are paired by size and content are called _______ chromosomes.

• homeostasis

• homologous

• matching

• sister

Tags

NGSS.HS-LS3-2

Body cells are also called _________ cells.

• normal

• prokaryotic

• pathogens

• somatic

Tags

NGSS.HS-LS1-4

Cells that contain 2 sets of chromosomes are called _________ (2n).

• diploid

• haploid

• triploid

• polyploid

Tags

NGSS.HS-LS3-2

The chromosomes that are not involved in determining the sex of an individual are called __________.

• sex chromosomes

• mutations

• autosomes

• homologous

The 23rd pair of chromosomes that do determine the sex of an individual are called ___________.

• sex chromosomes

• autosomes

• homologous

• genes

Tags

NGSS.HS-LS3-1