Characteristics of Different Mechanisms of Inheritance

Characteristics of Different Mechanisms of Inheritance -...

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To determine the mechanism of inheritance: 1. Determine whether it is recessive or dominant by finding the critical mating. 2. Determine whether it is X-linked or autosomal. Dominant Recessive X – linked dominant: Appears more often in females Does not skip generations RULE: All affected daughters have affected fathers (If affected daughter has an unaffected father, then it can’t be X-linked dominant. Therefore, autosomal.) X – linked recessive: Appears more in males
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Unformatted text preview: Skips generations RULE: All unaffected daughters have unaffected fathers. (If an unaffected daughter has an affected father, then it cant be X-linked recessive. Therefore, autosomal) Y linked (Holandric) Autosomal: Traits appear in equal frequency b/n males and females Because an individual typically only contains one Y chromosome, the terms, dominant and recessive do not apply to Y-linked traits. Mike Chong...
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This note was uploaded on 07/10/2011 for the course BIO 390 taught by Professor Dr during the Spring '11 term at McMaster University.

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Characteristics of Different Mechanisms of Inheritance -...

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