The human genome has how many pairs of autosomal chromosomes?
A) 44 pairs B) 22 pairs C) 24 pairs D) 46 pairs E) 23 pairs
Answer: B
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Cystic fibrosis primarily affects which organ?
a. brain b. heart c. muscle d. lungs e. bones
What is the name of the birth defect in which the neural tube fails to close completely?
a. neurulation b. fossa ovalis c. organogenesis d. spina bifida e. capacitation
Which of the following is an example of the use of the binomial system devised by Linnaeus?
A. O157:H7 B. Escherichia coli C. Enterobacteriaceae D. Enterobacteriales
Amal has a serious metabolic disorder known as PKU. His sister has the same disorder. Neither of
Amal’s parents have the disorder. What is the most likely inheritance pattern of this disorder? A. Autosomal dominant B. Autosomal recessive C. X-linked dominant D. X-linked recessive E. It is not possible to tell the inheritance pattern from this information.