DNA

Who discovered DNA in 1953?

• Watson and Holmes

• Watson and Crick

• Linneaus and Darwin

• Tesla and Aristotle

The shape of DNA?

• double helix

• suspension ladder

• polyhedron

• double angle

Tags

NGSS.HS-LS1-1

This picture shows the building blocks of DNA. It is called a ________.

• nucleotide

• double helix

• centromere

• sugar

DNA is wound up in ________ and is located in the ________ of a cell.

• chromosomes

  nucleus

• centromere

  mitochondria

• chromosomes

  cell wall

• nucleotide

  cell wall

Tags

NGSS.MS-LS3-1

The chromosomes are held together at the center called the _______.

• chromatid

• centromere

• chromosome

• base pairs

Tags

NGSS.MS-LS3-1

______ is a single strand of a chromosome.

• centromere

• chromatid

• base pairs

• nucleotide

What codes for body traits?

• genes

• phosphate

• sugar

• base pairs

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Eye color, hair color and height are examples of ____

• nucleotides

• body traits

• base pairs

• centromeres

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many chromosomes are found in a human body cell?

• 2

• 23

• 46

• 92

Tags

NGSS.HS-LS3-1

Which sex chromosome is matched correctly?

• XX - female

  XY - male

• XX - male

  XY - female

Tags

NGSS.HS-LS3-1