Chapter 25: Genetics and Genetic Diseases Patton: The Human Body in Health & Disease, 7th Edition MULTIPLE CHOICE 1. During cell division, each replicated strand of chromatin coils to form a compact mass called a a. gene. b. messenger RNA. c. chromosome. d. both A and C. ANS: C REF: p. 680
PTS: 1 DIF: Memorization TOP: Chromosomes and genes
2. The final product of a gene is a a. chromatin strand. b. protein. c. messenger RNA molecule. d. chromosome. ANS: B REF: p. 680
PTS: 1 DIF: Memorization TOP: Chromosomes and genes
3. The entire collection of genetic material in each typical cell of the human body is called the a. genome. b. karyotype. c. chromosomes. d. both B and C. ANS: A REF: p. 680
PTS: 1 DIF: Memorization TOP: Chromosomes and genes
4. The human genome contains about how many genes? a. 100,000 b. 75,000 c. 50,000 d. 20,000 ANS: D REF: p. 680
PTS: 1 DIF: Memorization TOP: Chromosomes and genes
5. The shorter segment of a chromosome is called the _____-arm. a. l b. p c. q d. s ANS: B REF: p. 680
PTS: 1 DIF: Memorization TOP: Chromosomes and genes
