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Biologism 3

pedigrees

QuestionAnswer
genotype of affected female in autosomal dominance Aa or AA
genotype of normal female in autosomal dominance aa
genotype of affected male in autosomal dominance AA or Aa
phenotype of AA in autosomal dominance affected
phenotype of aa in autosomal dominance normal
genotype of affected female in autosomal recessive disorder aa
genotype of normal female in autosomal recessive disorder Aa or AA
genotype of affected male in autosomal recessive disorder aa
phenotype of AA in autosomal recessive disorder normal
phenotype of Aa in autosomal recessive disorder normal
phenotype of aa in autosomal recessive disorder affected
genotype of affected female in sex linked disorder XaXa
genotype of normal, not a carrier, female in sex linked disorder XAXA
genotype of carrier in sex linked disorder XAXa
genotype of affected male in sex linked disorder XaY
genotype of normal male in sex linked disorder XAY
phenotype of XAXa carrier, female
phenotype of XAY normal male
can two affected parents have a normal child in an autosomal dominant trait? yes, if they are heterozygous
can two affected parents have a normal child in an autosomal recessive trait? no, all children will be affected
can an child affected with an autosomal dominant trait have normal parents? no, one parent would have to be affected also
can a normal child have two parents affected with an autosomal recessive trait? no, at least one parent must carry a normal gene
can a female with a sex linked trait have a normal father? no, the father must be affected
can a female with a sex linked trait have a normal mother? yes, but the mother is a carrier
can a son with a sex linked trait have a normal father? yes, has no effect on son
can a son with a sex linked trait have a normal mother? yes, but the mother is a carrier
can a female with a sex linked trait have a normal son? no, her son will be affected
can a female with a sex linked trait have a normal daughter? yes, but the daughter will be a carrier
Created by: Mrs. Bridgman
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