Maria gives birth to a child with trisomy 21. Which of the following is true?
A. Maria must have given her child an extra 21st chromosome.
B. The child's father must have given the child an extra 21st chromosome.
C. The child received an extra 21st chromosome from either her mother or her father.
D. Both parents contributed an extra 21st chromosome.
Answer: C
You might also like to view...
Eye color is a result of which type of allelic relationship?
a. Dominance b. Codominance c. Cumulative d. Crossing over
When two psychologists surveyed 275 freshmen at Cornell University, they found that ________
a. most of them had secret lives that they never revealed to their parents. b. most of them had confessed at least one rule violation to their parents in the past year. c. the women shared their "private selves" with parents but the men did not. d. only stern and authoritarian parents had adolescents with "secret lives."
Although he could not include all of these people, a researcher notes there are 30,000 adults
over the age of 60 in a community that could be hypothetically included in a study. This group would represent the: A) study sample. B) target population. C) study population. D) special population.
You are passionate about protecting the environment and belong to a sustainability club on campus. You just got new recycling and compost bins and have started separating all of your trash at home. In this scenario, _________________ is the attitude and _______________ is the behavior.
a) being passionate about protecting the environment; separating trash into recycling and composting bins b) belonging to the sustainability club; belief in sustainability c) belief in protecting the environment; being passionate about sustainability d) obtaining recycling and composting bins; separating your trash