Free Printable Sex-Linked Traits

Worksheets

Sex-Linked Traits

Total questions: 10

Worksheet time: 16mins

Name

Class

Date

Colorblindness and hemophilia alleles are found on

autosomal chromosomes

sex chromosomes

Which sex chromosomes do females have?

Which sex chromosomes do males have?

X-Linked traits are more common in

males

females

Which allele codes for an X-Linked recessive trait?

X^T

X^t

Y^T

Y^t

Which allele does not code for an X-linked (dominant OR recessive) trait?

X^T

X^t

Hemophilia is an x-linked recessive trait. Which genotype represents a carrier female?

X^HX^H

X^HX^h

X^hX^h

X^HT

X^hY

Color-blindness is an x-linked recessive trait. Which genotype represents a colorblind female?

X^BX^B

X^BX^b

X^bX^b

X^BY

X^bY

Hemophilia (h) is an x-linked recessive trait. What are the chances that a daughter would be a carrier?

25%

50%

100%

10.

Hemophilia (h) is an x-linked recessive trait. What is the genotype of Charles and Marie's child?

X^HX^H

X^HX^h

X^hX^h

X^HY

X^hY

100 %

Sex-Linked Traits

Total questions: 10

Worksheet time: 16mins

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