Genes !

The traits of an organism are passed to its offspring on small coded strands of DNA material called

• meiosis
• recessive traits
• genes
• heredity

Tags

NGSS.HS-LS3-1

HOMOZYGOUS = RR rr

• same

• different

HETEROZYGOUS = Rr

• same

• different

Where in the cell is DNA found?

• Nucleus

• Cytoplasm

• Chloroplast

• Cell Membrane

The drawing shows the structure of what molecule?

• A DNA molecule
• A lipid molecule
• A carbohydrate molecule
• A protein molecule

Tags

NGSS.HS-LS1-1

What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

Tags

NGSS.HS-LS1-1

Which of the following best describes the shape of a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Tags

NGSS.HS-LS1-1

What are sections of DNA called?

• DNA

• Genes

• Chromosomes

• Nucleus

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

A gene determines a __________ such as eye or hair color.

• nucleus

• DNA

• chromosome

• Trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many pairs of chromosomes do humans have?

• 21

• 22

• 23

• 24