Amplify Unit: Traits and Repro- Why Are Identical Twins Rare?

Which statement is not true?

• Genes provide instructions to make proteins.

• Proteins determine our traits.

• Most people have different genes and therefore different proteins and traits.

• Most people have the same genes and therefore the same proteins and traits.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Identical twins are exactly the same because....

• They have the same mother.

• They have identical genes.

• They have the same father.

• They were born at the same time.

Tags

NGSS.MS-LS3-2

Sexual reproduction allows genes to be inherited from both the biological mother and the biological father.

• True

• False

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The number of copies we have for each gene is...

• one.

• two.

• three.

• four.

For any particular gene pair, it is possible to have different verisons.

• True

• False

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

For any particular gene pair, it is possible to have the same version.

• True

• False

Tags

NGSS.MS-LS3-2

For each gene pair, one gene copy comes from the biological mother and the other comes from the biological father.

• True

• False

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many chromosome PAIRS do we all have?

• 46

• 64

• 23

• 32

Tags

NGSS.HS-LS3-2

In sexual reproduction, the mother's reproductive cells are called...

• eggs.

• sperm.

Tags

NGSS.HS-LS3-2

In sexual reproduction, the father's reproductive cells are called...

• eggs.

• sperm.

Tags

NGSS.HS-LS3-2