Final Review

The two types of alleles are (select two)

• dominant

• doughnut

• expressive

• recessive

Which of the following is heterozygous

• FF
• tt
• Gg
• RR

Which of the following is homozygous recessive?

• rr
• AA
• TT
• Ff

Which of the following is homozygous dominant?

• Jj
• Rr
• MM
• ee

The physical appearance of a trait is known as the-

• genotype
• phenotype
• characteristics
• intelligence

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

What are sections of DNA called?

• DNA

• Genes

• Chromosomes

• Nucleus

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

• nucleus

• DNA

• chromosome

• Trait

How many pairs of chromosomes do humans have?

• 21

• 22

• 23

• 24