Consider a Trait Determined by a Rare, Simple Mendelian, Autosomal

question 126

Multiple Choice

Consider a trait determined by a rare, simple Mendelian, autosomal dominant allele. What is the concordance between identical twins? Between same-sex fraternal twins?

• A)identical concordance = 1; fraternal concordance = 0.071
• B)identical concordance = 1; fraternal concordance = 0.143
• C)identical concordance = 1; fraternal concordance = 0.250
• D)identical concordance = 1; fraternal concordance = 0.333
• E)identical concordance = 1; fraternal concordance = 0.500

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Definitions:

One-Sample Test

A statistical procedure used to determine if a sample comes from a population with a specific characteristic or parameter.

Proportions

Statistical measures that express the relationship of a part to the whole, often represented as a fraction or percentage.

Two-Sample Tests

Statistical tests used to compare the means or proportions of two independent or unrelated groups.

Equality of Variances

A condition in statistics where different samples have similar variances, important in certain statistical tests, like the ANOVA test.