Podcast
Questions and Answers
What percentage of alleles do siblings typically share on average?
What percentage of alleles do siblings typically share on average?
- 25%
- 50% (correct)
- 75%
- 100%
How are identical twins related in a family?
How are identical twins related in a family?
- They are closely related
- They are distantly related
- They are not related
- They share the same alleles at every locus (correct)
What is the relationship between two family members and the amount of alleles they share in common?
What is the relationship between two family members and the amount of alleles they share in common?
- The more closely related two individuals are, the fewer alleles they share in common.
- The more closely related two individuals are, the more alleles they share in common. (correct)
- The more distantly related two individuals are, the more alleles they share in common.
- The more distantly related two individuals are, the fewer alleles they share in common.
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Study Notes
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The more closely two individuals are related in a family, the more alleles they share in common.
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The most closely related two individuals in a family are identical twins, who share the same alleles at every locus.
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Siblings (including DZ twins) share 50% of their alleles with each other on average, but this is only on average.
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The more distantly related two members of a family are, the fewer alleles they share in common.
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