Genes

A _______ is a segment of DNA that controls our traits.

• gene

• gamete

• chromosome

• chromatid

Tags

NGSS.HS-LS3-1

A _________ is DNA tightly coiled around proteins.

• gene

• chromosome

• trait

• mutation

Tags

NGSS.HS-LS3-1

How many chromosomes does a human body cell have, total?

• 48

• 46

• 23

• 47

Tags

NGSS.HS-LS3-1

Chromosomes that are organized in pairs, are the same size, and have the same genes are called _______ chromosomes.

• homeostasis

• homologous

• matching

• sister

Tags

NGSS.HS-LS3-1

Body cells that contain both sets of chromosomes (from both parents) are called _________.

• diploid

• haploid

• triploid

• polyploid

Tags

NGSS.HS-LS3-2

The 23rd pair of chromosomes that contain the genes to determine the sex of an individual are called ___________.

• sex chromosomes

• autosomes

• homologous

• genes

Tags

NGSS.HS-LS3-1

A photograph of the chromosomes in a dividing cell that are arranged by size is called a _________.

• mutation

• gene

• picture

• karyotype

Down Syndrome is also known as _________.

• Trisomy 18

• Trisomy 21

• Monosomy X

• Trisomy 13

When a person has ONE extra chromosome in their cells, this is called ________.

• trisomy

• monosomy

• haploid

• diploid

Tags

NGSS.HS-LS3-2

Which letter(s) in the diagram correspond to cells that are haploid? 

• A
• B
• C
• A and B

Tags

NGSS.HS-LS3-2