Why are your chromosomes arranged in pairs?

• Scientists have no idea

• Because you get one from your mom and one from your dad

• Because pairs can divide easier

• Because DNA is awesome

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Eye color, hair color, having freckles, etc. are examples of:

• DNA

• Chromosomes

• Genes

• Traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the correct sequence of structures from smallest to largest?

• Chromosomes, Gene, DNA, Nucleus, Cell

• Cell, Nucleus, Chromosomes, DNA, Genes

• DNA, Gene, Nucleus, Chromosome, Cell

• Gene, DNA, Chromosomes, Nucleus, Cell

• Gene Nucleus, DNA, Chromosome, Cell

What do genes do?

• Give the body chromosomes.

• Control the DNA.

• Control the production of proteins.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

DNA is short for

• Ribonucleic acid

• Deoxyribonucleic acid

• Nucleic acid

What is a short segment of a DNA strand that codes for our characteristics?

• chromosome

• DNA

• RNA

• gene

Tags

NGSS.HS-LS3-1

DNA is a molecule made up of a combination of how many DNA bases?

• 1

• 2

• 3

• 4

How many pairs of chromosomes do human cells contain?

• 23

• 46

• 16

• 32

Where is DNA found in a human cell?

• ribosome

• nucleus

• cell membrane

• cytoplasm

Tags

NGSS.MS-LS3-1

What is a long coiled strand of DNA and proteins?

• gene

• RNA

• chromosome

• genome