DNA- Genes- Chromosomes

You can find DNA

• only in your blood

• in almost all your cells

• the air around us

• in everything (living and non-living)

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What does not have DNA?

• tomato

• kangaroo

• rock

• bacteria

The shape of DNA is referred to as a...

• twizzler candy

• double helix

• triple helix

• twisted ladder

When DNA is tightly wound up, it's called a...

• a chromosome

• a centromere

• a nucleus

• a gene

In which cell organelle can you find chromosomes (DNA)?

• mitochondria

• vacuole

• cytoplasm

• nucleus

Tags

NGSS.MS-LS3-1

What is a short segment of DNA?

• trait

• chromosome

• gene

• allele

How many chromosomes do humans have?

• 2 chromosomes (1 from mom, 1 from dad)

• 23 pairs (46 chromosomes)

• 46 pairs (92 chromosomes)

• 100 chromosomes

Tags

NGSS.HS-LS3-1

What is the last pair of chromosomes called?

• sex chromosomes (XX or XY)

• autosomes

• alleles

• zygotes

If you wanted to make a clone of Mr. Duffany, which cell would you need to get in order to get a copy of his DNA?

• his brain cell

• his blood cell

• any cell (skin ,hair, muscle, brain, etc.)

• you can't get enough DNA to clone from a cell

Approximately, how many genes do humans have?

• 46

• 5000

• 20,000

• scientists aren't sure