Genetics Unit Summative Assessment

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

(a)  

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?

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?