question

How does genetic inheritance follow similar patterns in all sexually reproducing organisms?

answer

Meiosis independently of sorts chromosomes than human heredity involves the same relations that helps between alleles.

question

How are single gene traits useful in studying human genetics?

answer

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.

question

What is pedigree?

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A chart used to trace phenotypes and genotypes within a family.

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question

How are phenotypes used in pedigree analysis?

answer

They are used to find the genotypes as a family.

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question

What information on a pedigree can tell you whether a gene is on an autosome or on a sex chromosome?

answer

If the trait is predominantly expressed by one gender, it is likely to be a sex chromosome.

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Section 7.4 human genetics and pedigrees study guide

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