Year 10 Science Genetics Review

DNA is located in the _______ of the cell

How many strands is DNA

• it doesn't have strands

• single

• double

• triple

Nucleotides are made up of 3 components, which is not one of these components

• sugar

• chromatid

• phosphate

• nitrogen base

Adenine pairs with

• Thymine

• Guanine

• Cytosine

Cytosine pairs with

• Adenine

• Guanine

• Thymine

Human somatic cells generally have how many chromosome

• 23

• 20

• 46

• 38

Human gametes generally have how many chromosomes

• 23

• 80

• 46

• 38

Mitosis results in how many daughter cells

• 1

• 2

• 3

• 4

How many chromosomes are in a diploid cell

• 23

• 80

• 46

• 38

The genetic make up of the 2 daughter cells resulting from mitosis are identical to the original cell

• True

• False