Sex-Linked Traits Quiz

What is the term used to describe traits that are determined by genes located on the sex chromosomes?

• Autosomal traits

• Sex-linked traits

• Dominant traits

• Recessive traits

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Which chromosome carries the most sex-linked genes?

• Chromosome 1

• Chromosome X

• Chromosome Y

• Chromosome 21

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What is a common sex-linked trait in humans?

• Eye color

• Blood type

• Color blindness

• Height

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Which gender is more likely to express recessive sex-linked traits?

• Males

• Females

• Both equally

• It depends on the trait

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Why are males more likely to express recessive sex-linked traits?

• They have two X chromosomes

• They have two Y chromosomes

• They have one X and one Y chromosome

• They have no sex chromosomes

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What does it mean if a trait is "X-linked"?

• The trait is linked to the X chromosome

• The trait is linked to the Y chromosome

• The trait is linked to both sex chromosomes

• The trait is not linked to any chromosome

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Which of the following is an example of a Y-linked trait?

• Baldness

• Hemophilia

• Color blindness

• Hairy ears

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How many X chromosomes do typical females have?

• One

• Two

• Three

• Four

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If a male has a recessive sex-linked trait, from whom did he inherit the trait?

• His father

• His mother

• Both parents

• Cannot be determined

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What is the role of the Y chromosome in sex determination?

• It determines female characteristics

• It determines male characteristics

• It has no role in sex determination

• It carries the majority of sex-linked traits

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DOK Level 1: Recall