Achondroplasia

Dwarfism can and most often does occur in families where both parents are of average height. In fact, 4 out of 5 of children with achondroplasia are born to average-size parents.

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... 100,000 cells or gametes. These range from 0.00004 for streptomycin resistence in E. coli to 12 for yellow body in fruit flies and 4.2-14.3 for achondroplasia in humans. (Source: Evolution by Douglas J. Futuyma, 2005, Sinauer Associates, p. 171) Steve

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Hi there! Could someone please explain how we define say someone showing the trait of polydactyly/achondroplasia as having the dominant allele/or saying that 99.99% of people show the rexessive allele-why dont we just say like other traits eg left hand that the above inheritances ...

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... please explain. #3. There is a disorder that causes short stature commonly known as "Dwarfism" and genetically referred to as "Achondroplasia". Dwarfism is an autosomal dominant trait. If a mother has Dwarfism and the father has normal height, Answer the following Questions: ...

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