Unit 7 Target 5: Complex Inheritance

6 Questions | By Jdowdyrobinson | Updated: Mar 21, 2022 | Attempts: 506

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Unit 7 Target 5: Complex Inheritance - Quiz

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1.

Horses born to 2 palomino (golden-coated) horses have a 25% chance of having a white coat, a 25% chance of having a chestnut (brown) coat, and a 50% chance of having a palomino coat. Which description of inheritance best explains the coat-color trait in these horses?
- A.
  
  Palamino coat color is a recessive trait.
- B.
  
  Palamino coat color is a dominant trait.
- C.
  
  Coat color is an incompletely dominant trait.
- D.
  
  Coat color is a sex-linked trait
2.

Situations in which one allele for a gene is not completely dominant over another allele for that gene are called
- A.
  
  Multiple alleles.
- B.
  
  Incomplete dominance.
- C.
  
  Polygenic inheritance.
- D.
  
  Multiple genes.
3.

A cross of a red cow (RR) with a white bull (WW) produces all roan offspring (RRWW). This type of inheritance is known as
- A.
  
  Incomplete dominance.
- B.
  
  Polygenic inheritance.
- C.
  
  Codominance.
- D.
  
  Multiple alleles.
4.

Jeanine inherited 2 alleles for round eye shape and has round eye shape. Her brother inherited 1 allele for round eye shape and 1 allele for almond eye shape and has almond eye shape. What type of trait is round eye shape?
- A.
  
  Co-dominant
- B.
  
  Dominant
- C.
  
  Recessive
- D.
  
  Sex-linked
5.

In humans, eye color is controlled by
- A.
  
  Simple dominance.
- B.
  
  Multiple alleles.
- C.
  
  Polygenic inheritance.
- D.
  
  Incomplete dominance.
6.

A cross of a red flower (RR) with a white flower (WW) produces all pink offspring (RRWW). This type of inheritance is known as
- A.
  
  Incomplete dominance.
- B.
  
  Polygenic inheritance.
- C.
  
  Codominance.
- D.
  
  Multiple alleles.