Passing Traits to Offspring Practice Test

A simplified inheritance model shows a pair of dogs and their puppies. Arrows show genetic information passed from parents to offspring.

Mother dog traits: short fur, curled tail Father dog traits: long fur, straight tail Puppies:

• Pup 1: short fur, straight tail
• Pup 2: long fur, curled tail
• Pup 3: short fur, curled tail

Which claim about passing traits is incorrect based on the evidence in the model?

Use the inheritance model below. Two parent horses and their foals are shown. Arrows represent genetic information passed from both parents to each foal.

Mother horse: white socks on legs, short mane Father horse: no socks, long mane Foals:

• Foal 1: white socks, long mane
• Foal 2: no socks, short mane
• Foal 3: white socks, short mane

Which claim about passing traits is incorrect based on the evidence?