Section 7.4 human genetics and pedigrees study guide
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How does genetic inheritance follow similar patterns in all sexually reproducing organisms?
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Meiosis independently of sorts chromosomes than human heredity involves the same relations that helps between alleles.
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How are single gene traits useful in studying human genetics?
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Such great is the shape of a person's hairline.
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Who can be carriers of autosomal disorders?
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Both male and females
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Why can females, but not males, be carriers of sex-linked genetic disorders?
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Because they will only show a recessive phenotype if they have two recessive alleles.
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What is pedigree?
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A chart used to trace phenotypes and genotypes within a family.
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How are phenotypes used in pedigree analysis?
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They are used to find the genotypes as a family.
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What information on a pedigree can tell you whether a gene is on an autosome or on a sex chromosome?
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If the trait is predominantly expressed by one gender, it is likely to be a sex chromosome.
