Question 1
Which of the following is TRUE?
◦ All eggs in the mother contain an X chromosome.
◦ All sperm carry a Y chromosome.
◦ The Y chromosome is larger than the X chromosome.
◦ The X chromosome and Y chromosome carry the same amount of genetic material.
Question 2
Your cousin is 9 weeks pregnant and is going to the doctor for a prenatal diagnostic test. She doesn't remember the name of the test, but remembers the procedure. What is she likely to describe?
◦ The doctors will stick a long, hollow needle into her abdomen and take a sample of amniotic fluid.
◦ High-frequency sound waves will be directed toward the uterus.
◦ A tube is inserted into the vagina and cells are collected from what is forming the umbilical cord.
◦ She has to drink a very sugary drink and then have a blood test.
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