BSC 1005 Exam 2 UPDATED Exam
Questions and CORRECT Answers
What pattern of inheritance occurs when a light blue-colored flower results from a cross
between a dark blue-colored flower and a white-colored flower? - CORRECT ANSWER-✔✔
incomplete dominance
What parental blood type would not be able to produce a child with type O blood? -
CORRECT ANSWER-✔✔ AB
A woman with type AB blood and a man with type O blood have a child. Which type of
blood could the child have? - CORRECT ANSWER-✔✔ type A or type B
In which group can sex-linked traits be expressed? - CORRECT ANSWER-✔✔ either males
or females
In humans, the allele for red-green color blindness is X-linked and recessive (Xr; the
dominant allele is called XR). A man with normal color vision marries a color-blind woman
who gives birth to a color-blind daughter. What can be inferred from this information? -
CORRECT ANSWER-✔✔ The man is probably NOT the father of the daughter.
In humans, what ordinarily determines the sex of the offspring? - CORRECT ANSWER-✔✔
sex chromosome carried by the sperm cell
Tanya is a carrier of the X-linked recessive trait red-green colorblindness. True or false:
Tanya has normal color vision. - CORRECT ANSWER-✔✔ true
What information can be inferred about Queen Victoria based on a pedigree of the British
royal family? - CORRECT ANSWER-✔✔ She inherited a mutation in a blood-clotting allele.
On a pedigree chart, what symbol would represent a son who is affected by a genetic
disorder? - CORRECT ANSWER-✔✔ a shaded square
Questions and CORRECT Answers
What pattern of inheritance occurs when a light blue-colored flower results from a cross
between a dark blue-colored flower and a white-colored flower? - CORRECT ANSWER-✔✔
incomplete dominance
What parental blood type would not be able to produce a child with type O blood? -
CORRECT ANSWER-✔✔ AB
A woman with type AB blood and a man with type O blood have a child. Which type of
blood could the child have? - CORRECT ANSWER-✔✔ type A or type B
In which group can sex-linked traits be expressed? - CORRECT ANSWER-✔✔ either males
or females
In humans, the allele for red-green color blindness is X-linked and recessive (Xr; the
dominant allele is called XR). A man with normal color vision marries a color-blind woman
who gives birth to a color-blind daughter. What can be inferred from this information? -
CORRECT ANSWER-✔✔ The man is probably NOT the father of the daughter.
In humans, what ordinarily determines the sex of the offspring? - CORRECT ANSWER-✔✔
sex chromosome carried by the sperm cell
Tanya is a carrier of the X-linked recessive trait red-green colorblindness. True or false:
Tanya has normal color vision. - CORRECT ANSWER-✔✔ true
What information can be inferred about Queen Victoria based on a pedigree of the British
royal family? - CORRECT ANSWER-✔✔ She inherited a mutation in a blood-clotting allele.
On a pedigree chart, what symbol would represent a son who is affected by a genetic
disorder? - CORRECT ANSWER-✔✔ a shaded square
