Discuss the sex chromosomes.
What will be an ideal response?
Of the 23 pairs of chromosomes, 22 are autosomes and one pair is comprised of the sex chromosomes. Males have one X and one Y chromosome, while females have two X chromosomes, so the gender of offspring is determined by the male parent.
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Which of the following statements is true of low-carbohydrate diets?
a. They often lead to diarrhea. b. They elevate blood pressure. c. They induce ketosis. d. They’re effective at reducing body fat. e. They’re a sound means of weight loss.
What is a Braden score? Assess Mr. Campbell's score. How does this relate to his nutritional status?
What will be an ideal response?
The vanishing twin phenomenon refers to _____.
A. more triplets and quadruplets being born than twins because of fertility drugs B. the disappearance of embryos within 13 weeks of conception C. the decreasing percentage of dizygotic twins in favor of monozygotic twins D. the emergence of an additional fetus in a pregnancy that began with only two fetuses E. the decreasing percentage of twins in favor of singleton fetuses due to in vitro fertilization techniques
A group of researchers wants to determine whether certain dietary factors are associated with the risk of attention deficit hyperactivity disorder (ADHD) in children. The scientists follow a group of 500 healthy newborn babies for 10 years and collect health information as well as dietary practices for each child. At the end of the study period, the scientists analyze the data for correlations between the children's dietary practices and their likelihood of being diagnosed with ADHD. This is an example of a ________ study.
A. prospective B. factorial C. retrospective D. hypothetical