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Huntington's Disease is an autosomal dominant trait that follows complete dominance. The disease is lethal in both homozygous dominant (AA) and heterozygotes (Aa). Yet, somehow, this trait persists in the human population. [Select] population, even though its phenotype is lethal? A pedigree for a family with Huntington's in their lineage is shown below: d. 1960 IV How does the allele for this trait avoid being lost from the d. 1988 d. 1972 d. 1956 ¹0000000"²" $0.1 [Select] probability that their first child will have Huntington's? 14 15 16 04 ¹9 $80 If individual IV-2 has children with an unaffected man, what is the 12 19

Huntington's Disease is an autosomal dominant trait that follows complete dominance. The disease is lethal in both homozygous dominant (AA) and heterozygotes (Aa). Yet, somehow, this trait persists in the human population. ✓ [Select] Huntington's shows delayed expression Huntington's shows partial epistasis Huntington's shows incomplete penetrance Huntington's shows environment dependence A pedigree for a family with Huntington's in their lineage is shown below: d. 1956, 1960 " [Select] d. 1972 d. 1988 allele for this trait avoid being lost from the 1? 0³066 ¹²""""""" d. 1990 13, probability that their first child will have Huntington's? 14 040 15 16 12 19 If individual IV-2 has children with an unaffected man, what is the

Huntington's Disease is an autosomal dominant trait that follows complete dominance. The disease is lethal in both homozygous dominant (AA) and heterozygotes (Aa). Yet, somehow, this trait persists in the human population. [Select] population, even though its phenotype is lethal? A pedigree for a family with Huntington's in their lineage is shown below: d. 1960 11 ✓ [Select] 3/4 4/4 2/4 1/4 d. 1972 How does the allele for this trait avoid being lost from the O d. 1956 d. 1988 810* ¹²³0" • 13 0³856³ d. 1990 14 15 00 16 17 18 19 12 If individual IV-2 has children with an unaffected man, what is the d will have Huntington's?