Name:___________________________________________ Date: Sex-linked Traits Test 1. Female sex chromosomes are represented by: ________ _________ 2. Male sex chromosomes are represented by: _________ __________ 3. Color-blindness is an X linked recessive trait that is represented by using the letter D. Brenda is heterozygous for color-blindness. She marries Carlos who has normal vision. Complete the Punnett square below: Brenda: _______ ________ x Carlos: _______ ________ What is the probability of having a female who is NOT colorblind? ______/4 _______% What is the probability of having a female who is IS colorblind? ______/4 _______% What is the probability of having a Male who is NOT colorblind? ______/4 _______% What is the probability of having a male who is IS colorblind? ______/4 _______% 4. Color-blindness is an X linked recessive trait that is represented by using the letter D. Brenda is a carrier for color-blindness. She marries Carlos who is colorblind. Complete the Punnett square below: Brenda: _______ ________ x Carlos: _______ ________ What is the probability of having a female who is NOT colorblind? ______/4 _______% What is the probability of having a female who is IS colorblind? ______/4 _______% What is the probability of having a Male who is NOT colorblind? ______/4 _______% What is the probability of having a male who is IS colorblind? ______/4 _______% 5. Color-blindness is an X linked recessive trait that is represented by using the letter D. Brenda is homozygous dominant for color-blindness. She marries Carlos who is colorblind. Complete the Punnett square below: Brenda: _______ ________ x Carlos: _______ ________ What is the probability of having a female who is NOT colorblind? ______/4 _______% What is the probability of having a female who is IS colorblind? ______/4 _______% What is the probability of having a Male who is NOT colorblind? ______/4 _______% What is the probability of having a male who is IS colorblind? ______/4 _______%