Genetics

Which of the following represent a homozygous trait?

• V1V2

• F1F1

• R2R3

• Bb

Two heterozygous spiders have a baby. V1V2 is the venom gene version that produces an offspring that kills. What percentage of offspring will have venom that kills?

• 0 %

• 25 %

• 50 %

• 100 %

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

How many gene versions does a spider carry for venom?

• 1

• 2

• 3

• 4

Which of the following characteristics is a rhino LEAST likely to pass on to its offspring?

• scars on its head

• skin color

• ear shape

• loss of an eye

• foot size

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the possible genotypes for this cross?

• TT = 25% Tt= 50% tt=25%

• TT= 75% tt = 25%

• all tall

• Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Tags

NGSS.HS-LS1-1

Why is DNA important?

• it is very small and very complicated

• it's in everything

• it serves as the blueprint for traits of all living things

• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate

Process where one DNA molecule copies itself

• Transcription

• Translation

• Replication

• Mutation

Tags

NGSS.HS-LS3-2

The passing of traits from parents to offspring

• genetics

• heredity

• dominant

• mutation

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2