Sex-linked traits
Presentation
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Biology, Science
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10th Grade
•
Medium
Standards-aligned
Dennis Yanga
Used 203+ times
FREE Resource
11 Slides • 5 Questions
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Sex-linked traits
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The human karyotype. http://fig.cox.miami.edu/
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Inheritance of sex
The male's sperm determines the sex of the offspring
The sex chromosomes carry genes related to sexual development (e.g. sex organs, position of fat stores)
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Sex-linked traits
Sex chromosomes also carry genes not related to sex
Examples are hemophilia and color blindness
These characteristics are "sex-linked"
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Color blindness
person has difficulty seeing colors
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Hemophilia
person cannot easily form blood clots
person has a high risk of losing blood, even from bruises
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Cross between parents who are both carriers of hemophilia
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Multiple Choice
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Multiple Choice
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Multiple Select
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Fill in the Blanks
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Multiple Choice
The diagram shows the sex chromosomes of a woman and of a man. Their genotypes for a recessive sex-linked condition are also shown.
What are the chances that their daughter will show the sex-linked condition?
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Sex-linked traits
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