BB Heredity

Which of the following cell types is formed by meiosis?

• Sperm and egg cells

• Hair and nail cells

• Heart cells

• Skin cells

If a diploid human cell has 46 chromosomes, how many chromosomes are in a human gamete (egg or sperm)

• 46

• 92

• 23

Meiosis results in

• Four genetically different cells

• Four genetically identical cells

• Two genetically identical cells

• Two genetically different cells

The trait for red flowers is dominant over white flowers. What is the probability of two heterozygous red flowers making offspring that have white flowers?

• 100%

• 75%

• 50%

• 25%

Who was the "father of modern genetics", who studied pea plants to discover the inheritance of traits?

• Newton

• Darwin

• Mendel

• Punnett

Which of the following shows a heterozygous phenotype?

• SS

• Ss

• ss

The image that displays an individuals chromosome map (homologous chromosomes are paired together)

• Karyotype

• Punnett Square

• DNA map

Genetic variation can arise from a random change in the DNA of a gene. This change is called a(n)

• gene flow

• allele

• mutation

I see a white bunny. I am referring to the bunny's

• phenotype

• genotype

• mutation

Sharron bred a homozgous black chicken with a homozygous white chicken. What is the genotype of the offspring since it turned out speckled?

• BW

  codominance

• Bb

  simple dominance

• BWBW

  codominance

• BbBb

  incomplete dominance