Activity #65 Breeding Critters-More Traits
Challenge Question:
Evidence:
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Analysis Questions:
2. Which characteristics show a simple dominant/recessive pattern like tail color? List them in the
table below. (You do not need to use every row of this table)
Characteristic
Dominant Trait
Recessive Trait
3. For which characteristic do some offspring have trait in between Skye’s and Poppy’s traits?
Explain. (For example, in some plants, a cross between a red and white-flowered plant will give
you pink flowered offspring. This is called incomplete dominance)
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4. For which characteristic do some offspring have both Skye’s and Poppy’s traits? Explain. (For
example, in humans, a person with type A blood and a person with type B blood can have a child
with type AB blood. This is called co-dominance, as both traits appear in the offspring.
5. Which critter trait is affected by an environmental factor, such as light, temperature, or diet?
Explain.
6. Consider the pattern for sex determination.
a. How is a critter’s sex determined?
b. Whose genetic contribution- Ocean’s or Lucy’s-determines the sex of the offspring?
7. Who does your critter look most like- Skye, Poppy, Ocean, or Lucy? On which traits did you
base your choice?
Reflection:
1. Answer the challenge question.
Look at the beginning of the activity for where you copied the challenge question. Then
start your answer by echoing the challenge question in your answer. For example, “Medicines are tested during a clinical trial by……”
2. I know the answer to the challenge question because …….(support your answer with
your evidence). Explain how you know the answer to #1. What did you do during this activity to learn the answer? For example, “I know
the answer to #1 above because in the activity I……”
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