Practice Heredity (8.2) - Heredity

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6 sample questions

Question 1.
What is heredity?
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Think about where traits come from.
Question 2.
What trait is expressed when an individual has one dominant and one recessive allele?
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Remember the dominance principle.
3Question 3.
Which trait in pea plants did Mendel find to be dominant?
- Tallness
- Shortness
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Think about Mendel's observations of plant heights.
4Question 4.
True or False: Recessive traits are visible when only one copy is present.
- True
- False
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Consider how dominance works.
Question 5.
Consider a species where green eyes are dominant to brown. If a homozygous green-eyed person mates with a heterozygous brown-eyed individual, what proportion of their offspring will have green eyes?
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Recall how dominant traits express themselves.
Question 6.
A couple has four children. If they know two have free earlobes and two have attached, what can you infer about the parents' genotypes?
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Think about the combinations of alleles that could lead to such a distribution.

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