Podcast
Questions and Answers
How much of their alleles do identical twins share?
How much of their alleles do identical twins share?
- 25%
- 50%
- 75%
- 100% (correct)
How much of their alleles do siblings (including DZ twins) share on average?
How much of their alleles do siblings (including DZ twins) share on average?
- 25%
- 50% (correct)
- 75%
- 100%
How many alleles do two distantly related members of a family typically share?
How many alleles do two distantly related members of a family typically share?
- 25% (correct)
- 50%
- 75%
- 100%
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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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