Pethrine Thompson EOC Biology

A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?

• 0%

• 25%

• 50%

• 75%

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which of the following genotypes is homozygous dominant?

• Yy

• yY

• yy

• YY

What are the phenotype percentages of the offspring?

• 50 % Brown fur and 50% White fur

• 25 % Brown fur and 75% White fur

• 75 % Brown fur and 25% White fur

• 0% Brown fur and 100% White fur

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

If you cross a black guinea pig with a white guinea pig and the offspring are gray, what type of dominant trait would that be.

• incomplete dominance

• codominance

• codependant

• cooperative

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?

• It is BB.

• It is Bb

• It is brown

• It is bb.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This is an example of

• Complete dominance

• Mendelian Genetics

• Codominance

• Incomplete Dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Why are there no white rabbit babies?

• The white gene is not present in any of the babies.

• It takes two recessive genes to show the trait.

• Grey is a better color.

• Baby five will be white.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In the image above, what is the percentage of the offspring has the possibility of inheriting blood type O?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following codes for blood type O?

• I^A I^A

• I^B i

• I^A I^B

• ii

A contractile vacuole helps protists eliminate excess liquid. This is a "pumping" process which reduces pressure inside the cell and prevents the cell from bursting. What is most likely the source of energy for this process?

• DNA

• lipids

• ATP

• ribosomes

Tags

NGSS.HS-LS2-5