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Genes, DNA & Mutations

Last updated about 1 year ago

10 questions

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Question 1

1.

Which statement best describes the structure of a DNA molecule

DNA is single-stranded and straight molecule 

DNA is a double-stranded molecule that looks like a spiral staircase 

DNA is a double stranded molecule that is straight like a ladder

DNA is a single-stranded and curly molecule

Question 2

2.

A portion of DNA that codes for a protein, that causes a trait, is a

Gene

Chromosome

Deoxyribose

Phosphate 

Question 3

3.

Chromosomes contain...

cells

DNA

traits

nucleus

Question 4

4.

Mutations are random.

True

False

Question 5

5.

All mutations are harmful to an organism or species.

True

False

Question 6

6.

What is mutation?

a result of meiosis

a change in the base sequence of DNA

a result of mitosis

Question 7

7.

Genes contain the instructions for assembling

chromosomes and then traits

amino acids and then proteins

traits and then chromosomes

proteins and then amino acids

1

Question 8

8.

Based on looking at the diagram, where do chromosomes live.

1

Question 10

10.

Inherited traits are . . .

not in the DNA

can't be passed on to offspring

are coded in your DNA

learned

The live on the cell membrane

They live on the outside of the cell

They live in the nucleus of a cell

They live in the cytcoplasm only

Question 9

9.

What does a chromsome unravel to be...

segments of gooey cytoplasm

segments of DNA called genes

strands of cytokines

strans of living components in the cell