Unformatted text preview: while it is still in the womb, another reason may be that the child suffered a sever viral infection at a young age that affected the childs brain. 6. a. The disorder displayed is autosomal recessive, because just as many females have as males do. It is recessive because there is an example of children who are affected even though neither of their parents are affected. b. 1-aa, 2- Aa or AA, 3-Aa, 4-aa 7. C1 has to be heterozygous because his parents’ genotypes are homozygous recessive and either homo or heterozygous dominant, this means that C1 HAS to have a recessive allele present in his genotype, even if it doesn’t affect his phenotype. 8. Tongue roller = Tt or TT, can’t roll tongue = tt, Detached lobes = Dd or DD, attached = dd. a. mother = TtDd; Father = ttdd; child = ttdd...
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- Fall '07
- Zygosity, Hank Greene, extra x-chromosome present