Genetics Unit Summative Assessment

__________ ________ is the process through which populations of living organisms adapt and change over time

Draw a punnett square for a homozygous recessive blue eyed parent and a brown eyed heterozygous parent. Use B and b and your alleles.

Which factors can have an impact in natural selection? Select all that apply.

• Lack of a type of food

• Too many habitats available

• Predators

• too many offspring being produced

What is gene flow?

• Gene flow is the movement of genes due to organisms staying in the same population.

• Gene flow is the movement of genes to a new population.

• Gene flow is the ability a gene has to rap.

• Gene flow is the transfer of genes from one organism to another.

What is the difference between genetic drift and genetic flow?

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Fill in the correct nucleotides

The nucleotide guanine connects to ____________.

• guanine

• cytosine

• Thymine

• Adenine

Which of the following are genotypes? Select all that apply.

• Brown Hair

• HH

• Be

• Blue eyes

• Rr

What percent of the offspring of pea flowers will have white petals if both parents are heterozygous and have purple petals.

• 100%

• 75%

• 25%

• 50%

If R is the dominant alleles for red petals in roses and r is the recessive allele for yellow petals. What percent of roses will be heterozygous and have red petals?

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