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

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

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

Which of these organisms has more chromosomes than humans?

• chimpanzees
• potatoes
• plums
• all of these -- the number of chromosomes does not determine complexity of the organism

The number of nucleotides in a human cell is about

• 3000
• 300,000
• 3 million
• 3 billion

An organism's reproductive cells, or sex cells, are called _____.

• bacteria

• prokaryotes

• gametes

• pathogens

Tags

NGSS.HS-LS3-2

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

• gene

• gamete

• chromosome

• chromatid

Tags

NGSS.HS-LS1-1

About how many genes does the human genome contain?

• 46

• 1 billion

• 200-300

• 20,000-30,000

Tags

NGSS.HS-LS3-2