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1. Which of the following pairs share 50% of their genes? Any two siblings A pair of dyzogotic twins A pair of monozygotic twins a and b

1. Which of the following pairs share 50% of their genes? Any two siblings A pair of dyzogotic twins A pair of monozygotic twins a and b

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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no need explanation just encircle the correct answer thankyou

Let's Check Activity 9. Let us try to check your understanding of the discussion. Read the questions carefully. Encircle the letter that corresponds to the correct answer. 1. Which of the following pairs share 50% of their genes? Any two siblings A pair of dyzogotic twins A pair of monozygotic twins a and b 2. Regarding types of multiple pregnancy, which of the following are true? a. Dizygotic twins result from fertilization of different oocytes by the same sperm. b. Monozygotic twins result from mitotic division of a single zygote into 'identical' twins. c. Dizygotic twins result from the division of a single fertilized egg. d. Monozygotic twins result from 2 egg cells merged together, eventually fertilized by a sperm cell. 3. Fraternal twins make up approximately . of the twin population. a. 25% b. 50% c. 75% d. 99% 30. Monozygotic twins can have the following sex combinations, EXCEPT: a. male-male c. male-female b. female-female For items 31-35, choose from the options below: a. Monozygotic twins b. Dizygotic twins 31. They share the same placenta. 32. They came from different egg cells. 33. They have the same blood type. 34. They share 50% of their DNA. 35. They make up 75% of the twin population. 36. Twins with several matching traits have high a. discordance c. both b. concordance c. expressivity d. penetrance
Transcribed Image Text:Let's Check Activity 9. Let us try to check your understanding of the discussion. Read the questions carefully. Encircle the letter that corresponds to the correct answer. 1. Which of the following pairs share 50% of their genes? Any two siblings A pair of dyzogotic twins A pair of monozygotic twins a and b 2. Regarding types of multiple pregnancy, which of the following are true? a. Dizygotic twins result from fertilization of different oocytes by the same sperm. b. Monozygotic twins result from mitotic division of a single zygote into 'identical' twins. c. Dizygotic twins result from the division of a single fertilized egg. d. Monozygotic twins result from 2 egg cells merged together, eventually fertilized by a sperm cell. 3. Fraternal twins make up approximately . of the twin population. a. 25% b. 50% c. 75% d. 99% 30. Monozygotic twins can have the following sex combinations, EXCEPT: a. male-male c. male-female b. female-female For items 31-35, choose from the options below: a. Monozygotic twins b. Dizygotic twins 31. They share the same placenta. 32. They came from different egg cells. 33. They have the same blood type. 34. They share 50% of their DNA. 35. They make up 75% of the twin population. 36. Twins with several matching traits have high a. discordance c. both b. concordance c. expressivity d. penetrance
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