Genetics Basics: Pedigree, Sex-Linked Traits, and Meiosis

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What is the probability that a male will be born normal?

75%

25%

100%

50% (correct)

What is the purpose of a pedigree?

To determine the sex of an offspring

To identify the genetic makeup of an individual

To visually represent traits that appear in each generation of a family (correct)

To predict the likelihood of a trait being passed down

What is a characteristic of an autosomal recessive trait?

It affects males more than females

It appears more frequently in populations

Only heterozygous individuals are affected

Traits can skip generations (correct)

What is the probability that a female is a carrier of color blindness?

50% Signup and view all the answers

What is represented by a shaded circle in a pedigree?

A female with the trait being tracked Signup and view all the answers

What is a characteristic of a sex-linked recessive trait?

It affects males more than females Signup and view all the answers

What is the result if an affected female has children?

All of her male children will be affected Signup and view all the answers

What is the purpose of meiosis?

To create gametes Signup and view all the answers

What determines the shading of a pedigree?

The presence of the trait being tracked Signup and view all the answers

What is an example of an autosomal trait?

Eye color Signup and view all the answers

Genetics Basics: Pedigree, Sex-Linked Traits, and Meiosis

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Questions and Answers

What is the probability that a male will be born normal?

What is the purpose of a pedigree?

What is a characteristic of an autosomal recessive trait?

What is the probability that a female is a carrier of color blindness?

What is represented by a shaded circle in a pedigree?

What is a characteristic of a sex-linked recessive trait?

What is the result if an affected female has children?

What is the purpose of meiosis?

What determines the shading of a pedigree?

What is an example of an autosomal trait?

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