JS7-U56-D24 - Before Watching

DNA is short for deoxyribonucleic acid.

• True

• False

We can see DNA without a microscope.

• True

• False

Identical twins are the only people who have the same DNA.

• True

• False

We can get DNA from hair, saliva, and skin.

• True

• False

DNA has been used by the police to solve murder cases.

• True

• False

the belief that the members of one sex are less intelligent, able, skillful, etc. than the members of the other sex, especially that women are less able than men

• sexism

• belligerent

• helix

• unsung

having the same meaning

• breakthrough

• synonymous

• posthumously

• strand

eager to fight or argue

• breakthrough

• helix

• belligerent

• sexism

a curve that goes around a central tube or cone shape in the form of a spiral

• strand

• manuscript

• helix

• sexism

a thin thread of something, often one of a few, twisted around each other to make a string or rope

• breakthrough

• helix

• journal

• strand