Combined Genetics

A calico cat shows both the traits for orange fur and black fur. What kind of inheritance pattern is this?

• Incomplete Dominance

• Co Dominance

• Sex-Linked

• Polygenic

A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?

• 4: Orange and White
• 1: Orange : 1 White
• 2 Orange: 2 Orange and White: 0 White
• 1: Orange: 2 Orange and White: 1 White

This type of inheritance pattern is a Blend of both traits.

• incomplete dominance

• co-dominance

• complete dominance

• recessive pattern

If you cross a black chicken with a white chicken, black-white checkered chickens are produced. What kind of inheritance pattern does this follow?

• incomplete Dominance

• Co-Dominance

• Sex-linked Inheritance

• Multiple alleles

What is the phenotype of a person with the genotype I^Ai?

• type A

• type O

• AA

• OO

If two parents have type AB blood, what is the probability that their child will have type O blood?

• 0%

• 25%

• 50%

• 100%

What does heterozygous mean?

• An organism that has the same genes for a trait (TT or tt)
• An organism that has different genes for a trait (Tt)
• When neither gene is fully dominant; offspring is a mixture of both
• the different forms of a trait (hair color--> brown, blonde, red

Having two of the SAME alleles for a trait (example HH or hh):

• homozygous
• heterozygous
• recessive
• dominant

An organism's genetic make-up:

• phenotype
• genotype
• dominant
• recessive

An organism's appearance or other observable characteristics:

• phentoype
• genotype
• recessive
• dominant