Chromosomes

The haploid number of human chromosomes is

• 11
• 12
• 23
• 46

Tags

NGSS.HS-LS3-2

The diploid number of human chromosomes is

• 23
• 46
• 92

Tags

NGSS.HS-LS3-2

How many DNA molecules make up a chromosome?

• 1
• 2
• 23
• 46

Tags

NGSS.MS-LS3-1

Each identical side of a chromosome is the 

• centromere
• chromatin
• centriole
• chromatid

Tags

NGSS.MS-LS3-1

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

• gene

• gamete

• chromosome

• chromatid

Tags

NGSS.HS-LS1-1

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

Tags

NGSS.HS-LS1-4

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.HS-LS3-1

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

• diploid

• haploid

• triploid

• polyploid