Disease Storyline Review

What is the mutation present in the following DNA strands?

TGA ATG GAC

TGA ACG GAC

• substitution of T to C

• substitution of C to A

• deletion

Tags

NGSS.HS-LS3-2

Why will a mutated gene no longer properly function?

• the mutation causes cancer

• with a different genetic code, a protein does not build DNA that functions

• with a different genetic code, protein no longer has the same structure

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

What is the complementary mRNA strand for the following DNA strand?

TGA GTT TGT

• CAU CAA ACA

• ACU CAA ACA

• ACU CGG ACA

What is the tRNA strand for the following DNA strand?

TGA GTT TGT

• TGA GTT TGT

• ACU CAA ACA

• UGA GUU UGU

ends with 4 genetically different cells

• Mitosis

• Meiosis

ends with 2 genetically identical cells

• Mitosis

• Meiosis

Tags

NGSS.HS-LS1-4

creates somatic cells

• Mitosis

• Meiosis

Tags

NGSS.HS-LS1-4

creates gametes

• Mitosis

• Meiosis

one round of cell division occurs

• Mitosis

• Meiosis

Tags

NGSS.HS-LS1-4

crossing over occurs

• Mitosis

• Meiosis