Unit3.3 Quiz2 - Intro to Genetics

Who is considered the "Father of Genetics?"

• Charles Darwin

• Gregor Mendel

• Geoffery Mehselson

• Jim Henson

What are different versions of a gene called?

• DNA

• Chromosomes

• Genes

• Alleles

A ___________ describes the two alleles you have for a trait (the genetics of the trait).

• Genotype

• Genophile

• Phenotype

• Physiophile

A ___________ describes the physical trait you have as a result (the physical expression of the trait).

• Genotype

• Genophile

• Phenotype

• Physiophile

Which of the following represents a homozygous dominant genotype?

• HH

• Hh

• hh

• None of the these

Which of the following represents a homozygous recessive genotype?

• HH

• Hh

• hh

• None of the these

Which of the following represents a heterozygous genotype?

• HH

• Hh

• hh

• None of the these

What does the Law of Segregation say?

• How one pair of homologous chromosomes separates has no effect on how another pair separates.

• The homologous chromosome pairs always affect each other when they separate.

• During meiosis, the homologous chromosomes separate so that only one gets passed on to the offspring.

• During meiosis, the homologous chromosomes stay together so that both get passed on to the offspring.

What does the Law of Independent Assortment say?

• How one pair of homologous chromosomes separates has no effect on how another pair separates.

• The homologous chromosome pairs always affect each other when they separate.

• During meiosis, the homologous chromosomes separate so that only one gets passed on to the offspring.

• During meiosis, the homologous chromosomes stay together so that both get passed on to the offspring.

A homozygous brown-eyed man marries a blue-eyed woman. What is the likelihood they will have children with brown eyes?

• 0%

• 25%

• 50%

• 75%

• 100%