Practice How Do These Traits Get Expressed? (8.2.3) - Heredity

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8 questions

Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a gene?
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Think about DNA and what it tells cells to do.
Question 2.
Define dominant trait.
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Which trait shows up even if there's only one copy?
3Question 3.
What determines whether a trait is dominant or recessive?
- The amount of the gene
- How it interacts with other alleles
- Its environmental effects
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Think about how traits show up in crosses.
4Question 4.
True or False: All traits are inherited in a straightforward manner without any modifications.
- True
- False
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Consider what can happen in real-life scenarios.
Question 5.
A plant has the genotype of Tt (tall) and is crossed with another Tt plant. What phenotypic ratio will you expect in the offspring?
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Remember, dominant traits show even when paired with recessive traits.
Question 6.
Discuss how environmental factors might alter the expression of a genetic trait.
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Think about interactions that affect growth in plants.

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