Chromosome

A tightly wound bundle of DNA is a chromosome.

• False

• True

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NGSS.HS-LS3-1

There is a segment of DNA that codes for every trait that a person has. These segments of DNA are found on chromosomes and are called ________.

• Deoxyribonucleic acid

• Genes

• Heredity

• Recessive Traits

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NGSS.HS-LS3-1

A long piece of coiled DNA found in the cells; contains genes that encode traits.

• gene

• chromosome

• trait

• DNA

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NGSS.HS-LS3-1

What is the relationship between DNA and chromosomes?

• Chromosomes are made of DNA

• DNA is made of chromosomes

• DNA and chromosomes are the same thing.

• All of the above are correct

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NGSS.HS-LS3-1

A human body cell contains:

• 46 chromosomes

• 23 chromosomes

• 21 chromosomes

• 40 chromosomes

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NGSS.HS-LS3-1

What do each of the colored bands on the chromosome diagram represent? 

• DNA

• Cells

• Genes

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NGSS.HS-LS3-1

A set of "matching" chromosomes like this are called:

• Homologous

• Clones

• Synonymous

• Mutations

How many pairs of chromosomes do humans have?

• 21

• 22

• 23

• 24

Tags

NGSS.HS-LS3-1

What is this image showing?

• DNA

• Chromosome

• Alleles

• Phenotype

Tags

NGSS.HS-LS3-1

The centromere (#2) holds each strand of the chromosome together. What is each strand called?

• Homologous

• Chromatin

• Sister Chromatid

• Chromosome