genetics

Histones are 

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

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NGSS.HS-LS1-1

Each identical side of a chromosome is the 

• centromere
• chromatin
• centriole
• chromatid

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NGSS.MS-LS3-1

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

Tags

NGSS.HS-LS3-1

The structure that holds two chromosomes together until they separate for cell division is the

• chromatid
• chromatin
• centromere
• cytoplasm

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NGSS.HS-LS1-4

Chromosomes are made from protein and what other molecule?

• Ammonia

• ATP

• DNA

• Carbon Dioxide

How many pairs of chromosomes are in a human being?

• 23

• 44

• 89

• 72

Where are chromosomes found in a cell?

• In the neutron of the cell.

• In the nucleus of the cell.

• In the proton of the cell.

• In the cell membrane of the cell.

If we were to look inside a normal male bone cell, how many total chromosomes would we find?

• 1

• 2

• 23

• 46

Human eggs and sperm are _____, and each has ____ chromosomes.

• diploid, 23
• diploid, 46
• haploid, 23
• haploid, 46

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2