UNIT 4 PART 1 Genetics Quiz

What is the study of heredity called?

• Probability

• Genetics

• Phenotype

• Genotype

What is the likelihood that a particular event will occur?

• Genetics

• Law of segregation

• Probability

• Codominance

What does the law of segregation state?

• Genes separate independently of one another in meiosis

• Two alleles for each trait separate during meiosis

• Both alleles for a gene are fully expressed

• Homologous chromosomes fail to separate

What does the law of independent assortment state?

• Genes separate independently of one another in meiosis

• Two alleles for each trait separate during meiosis

• Both alleles for a gene are fully expressed

• Homologous chromosomes fail to separate

What is a sex cell called?

• Allele

• Gamete

• Phenotype

• Genotype

What is a trait controlled by two or more genes called?

• Polygenic trait

• Codominance

• Incomplete dominance

• Multiple alleles

What is a relationship in which one allele is completely dominant over another called?

• Incomplete dominance

• Codominance

• Complete dominance

• Polygenic trait

What is the situation in which one allele is not completely dominant over another allele called?

• Incomplete dominance

• Codominance

• Complete dominance

• Polygenic trait

What is the condition in which both alleles for a gene are fully expressed called?

• Incomplete dominance

• Codominance

• Complete dominance

• Polygenic trait

What is the error in meiosis in which homologous chromosomes fail to separate called?

• Law of segregation

• Law of independent assortment

• Nondisjunction

• Codominance