NonMendelian CFU

What is a trait that is determined by more than two alleles called?

• Single Allele Trait

• Double Allele Trait

• Multiple Alleles Trait

• Polygenic Trait

What type of inheritance is shown by human blood types?

• Dominance

• Recessiveness

• Codominance

• Incomplete dominance

What is the genotype for blood type O?

• IAIA or IAi

• IBIB or IBi

• ii

• IAIB

What is the genotype for blood type AB?

• IAIA or IAi

• IBIB or IBi

• ii

• IAIB

What are sex-linked traits?

• Traits that can be found on any chromosome

• A gene present on one of the sex chromosomes

• Traits that are not influenced by the sex chromosomes

• A gene found on both the X and Y chromosomes

Where are sex-linked traits found?

• On the Y chromosome only

• On both the X and Y chromosomes

• On the X chromosome only

• On neither the X nor the Y chromosomes

What is the chromosomal composition of a female?

• XY

• XYY

• XX

• X

What is the chromosomal composition of a male?

• XX

• YY

• XY

• X

What does polygenic inheritance mean?

• Traits controlled by a single gene

• Traits that do not vary among individuals

• Traits controlled by multiple genes

• Traits that follow a clear-cut category

Which of the following is NOT an example of a polygenic trait?

• Height

• Skin color

• Eye color

• Blood type