Whitney has two koalas. One has fluffy ears and one has non-fluffy ears. She breeds them together. They make one baby with fluffy ears. Which trait is dominant?

Cam has a tortie cat. It has splotches of both red and black. The red allele and black allele that this cat has is...

Elodie and Aaron are playing tennis when they accidentally knock a baby bird out of its nest with their tennis ball. If the momma bird is yellow and the dad bird red, what color should the baby bird be if yellow and red are incompletely dominant?

Pheonix is studying salamanders. He observers that stripes is dominant to no-stripes in salamanders. Which of the following probabilities is impossible for if a striped salamander was to mate with a no-stripe?

Queen Victoria's son, Phillip, has hemophilia. So she blames her husband for this X-linked disorder that Phillip has. What is wrong with Victoria's logic?

Celena and Haylee are studying fruit flies in a laboratory. They notices that only male fruit flies have red eyes, with females only having it rarely. What kind of trait is this, probably?

Kaleb and Zach have decided to dedicate themselves to raising llamas. They move to Peru together. Gray (G) llama fur is worth a lot more money than white (g) llama fur, but all they have is gray llamas. Which genotypes should they bred so they can get some white llamas?

Angelina discovers a rare black-and-red spider crawling on Haleigh Jo. If black and red are codominant on this spider, which of the following would be the best way to write this genotype, especially if we're also dealing with other spider genes too?

Kavi has accidentally stabbed Stanley (whoops!). Stanley can only receive blood from O-type blood. Who should he accept blood from?

If sleepiness is a Mendelian style dominant trait and Justin is sleepy, yet one of his parents was not sleepy, what would be Justin's genotype?

Tim's brand new penguin is heterozygous yet expresses only its yellow eye allele. What is his penguin's phenotype?

Ainsley shows her friends her new pet, a scorpion. The scorpion has a recessive trait - black spots. Which of the following is the genotype for her scorpion's black spot gene?

Marit owns a black cat and Anya owns a red cat. These two cats bred together and produce five red male cats. If the black & red alleles are X-linked, what cat was the mother?

If the allele for red feet and the allele for blue feet are incompletely dominant in blue footed boobies, what would be the probability ratio for two purple boobies mating?

Assume being evil is a recessive X-linked disorder. What can we assume about Scar's (an evil lion) children? Select all that are true.

Let's say you're looking at a pedigree tracking a genetic disease across several generations. What can clue you in that this pedigree is showing an X-linked recessive disorder? (Select all that apply)

Tasting PTC is dominant to not tasting PTC. Two tasters have babies. One of their eight offspring cannot taste PTC. What can we assume about the couple?

Full color is dominant to dilute in cats. A test cross is performed to find out if a full color cat is DD or Dd. If two out of the three offspring from the test cross are dilute, what can we conclude?

My cat Piper is a Siamese cat. Siamese, or "pointing," is caused by an allele found on the colorpointing (C) gene. What is my cat's phenotype?

A nurse is trying to figure out which baby in the nursery belongs to a blood type-O mother (ii) whose husband has blood-type A (I^Ai)?

A blood type AB (I^AI^B) person has children with a blood type O (ii) person. What phenotypes are possible in the children?