The haploid number of human chromosomes is

• 11
• 12
• 23
• 46

Tags

NGSS.HS-LS3-1

The diploid number of human chromosomes is

• 23
• 46
• 92

Histones are 

• proteins wound up in DNA
• critical to maintaining the shape of chromosomes
• aid in the tight packing of DNA
• all of these 

Tags

NGSS.HS-LS1-1

When DNA is in its less coiled, "relaxed," state, between cell divisions, it is called

• autosomes
• chromatid
• chromatin
• centromere

Autosomes are

• chromosomes found in autotrophs, only
• chromosomes that automatically correct all errors in the DNA
• chromosomes that determine traits other than sex
• chromosomes that determine the sex of the individual

How many pairs of homologous chromosomes do humans have?

• 23

• 46

• 2

• 44

Tags

NGSS.HS-LS3-2

How many chromosomes are in the body cells of an organism that has a haploid number of 14?

• 28

• 14

• 7

• 56

Which sex determines the sex of the offspring?

• Males

• Females

• Both Males and Females

• Neither Males of Females

A diploid cell of a normal male human contains 

• 22 autosomes and two Y-chromosomes.
• 22 pairs of autosomes and two Y-chromosomes.
• 22 pairs of autosomes, one X and one Y-chromosome
• 22 autosomes and two X-chromosomes

Tags

NGSS.HS-LS3-1

Determine the sex of the individual whose karyotype is displayed in the image.

• female
• male