EBK BIOLOGY
11th Edition
ISBN: 8220106820636
Author: Martin
Publisher: CENGAGE L
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Chapter 16, Problem 7TYU
Summary Introduction
Introduction: Prenatal diagnosis is referred as the assessment of embryonal or fetal set of chromosomes. It is used to detect chromosomal aberrations, monogenetic diseases, and multifactorial diseases. There are two main diagnostic testing procedures done prenatally. They are amniocentesis and chorionic villus sampling (CVS).
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Students have asked these similar questions
The procedure in which sound waves are converted to images of the fetus is called...........
a) Chorionic villus sampling
b) Amniocentesis
c) Ultrasound
d) DNA analysis
At what stage of embryonic development does implantation occur? a) Before fertilisation b) At the blastocyst stage c) After cell division has occurred d) At the end of the first trimester e) During the 8 cell stage
Which of the following is required for successful fetal development after the egg has been fertilized?
a) That the corpus luteum remains throughout the pregnancy
b) Production of estrogen (estradiol) and progesterone from the placenta
c) Release of hCG (human chorionic gonatotropin) from the placenta
Chapter 16 Solutions
EBK BIOLOGY
Ch. 16.1 - Distinguish between karyotyping and pedigree...Ch. 16.1 - Prob. 2LOCh. 16.1 - Prob. 3LOCh. 16.1 - Prob. 1CCh. 16.1 - Prob. 2CCh. 16.1 - Describe two ways in which genome database...Ch. 16.1 - Prob. 4CCh. 16.2 - Explain how nondisjunction in meiosis is...Ch. 16.2 - Distinguish among the following structural...Ch. 16.2 - Prob. 6LO
Ch. 16.2 - VISUALIZE Draw a simple sketch illustrating how...Ch. 16.2 - Prob. 2CCh. 16.2 - Prob. 3CCh. 16.2 - Prob. 4CCh. 16.3 - State whether each of the following genetic...Ch. 16.3 - Which of the following genetic diseases is/are...Ch. 16.3 - Prob. 2CCh. 16.3 - Prob. 3CCh. 16.4 - Briefly discuss the process of gene therapy,...Ch. 16.4 - Prob. 1CCh. 16.5 - State the relative advantages and disadvantages of...Ch. 16.5 - Distinguish between genetic screening programs for...Ch. 16.5 - Prob. 1CCh. 16.5 - Prob. 2CCh. 16.6 - Prob. 11LOCh. 16.6 - Prob. 1CCh. 16.6 - CONNECT To be expressed, an autosomal recessive...Ch. 16.6 - Prob. 3CCh. 16 - Prob. 1TYUCh. 16 - An abnormality in which there is one more or one...Ch. 16 - The failure of chromosomes to separate normally...Ch. 16 - Prob. 4TYUCh. 16 - Prob. 5TYUCh. 16 - Prob. 6TYUCh. 16 - Prob. 7TYUCh. 16 - Prob. 8TYUCh. 16 - Examine the following pedigrees. Which is the most...Ch. 16 - Examine the following pedigrees. Which is the most...Ch. 16 - Prob. 11TYUCh. 16 - SCIENCE, TECHNOLOGY, AND SOCIETY Imagine that you...Ch. 16 - A common belief about human genetics is that an...Ch. 16 - Prob. 14TYUCh. 16 - EVOLUTION LINK Explain some of the evolutionary...
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- In human development, an embryo is most sensitive to chemicals, radiation, and pathogens during the first trimester because this is the time when a) tissues are differentiating b) organs are increasing in size c) the fetus grows rapidly d) fetal movements begin e) implantation occursarrow_forwarde) None of the answers 31- Which stage of prenatal development goes from the second to the gth week of gestation: a) Germinal (b) Embryonic c) Fetal d) Maternal 32- An environmental agent which can interfere with the normal development of the pregnancy is called: a) Poisonous b) Mortal c) Infectious d) teratogen 33- The baby comes out during: a) The first stage b) The second stage of childbirth O The third stage of childbirth None of the answers childbirth 34- Which one can be a cause of C-section? a) Mom with previous C-section b) First baby c) Large baby d) old mom e) All of the answers 35- True or false The fontanels are the babies' fuzzy prenatal hair. 36- True or False The first stools of the baby are called meconium. 37- You are at the labor room where a delivery is being done. The mom gives birth to a baby girl crying immediately after being delivered, pink with blue limbs, strong and breathing pretty well. Pulses: 145. What is the APGAR score? a) 10 b) 8 (c) )9 d) 7 38- You are…arrow_forwardSperm need to be deposited in the vagina close to the time of ovulation because… a) Fertilisation needs to occur in the uterus b) The probability of fertilisation occurring in humans is about 25% c) The fusion of male and female gametes is the beginning of embryonic development d) Sperm and ovum are viable for a short time onlyarrow_forward
- Latonia is pregnant. Her doctor told her that the baby has developed enough that it can now live outside of the womb. Right now, Latonia is most likely in the ______period of pregnancy. a) fetalb) teratogenc) embryonicd) germinalarrow_forwardIntestinal mucosa and meconium are evident within the umbilicus of a newborn. Which of the following structures failed to undergo normal regression during embroyic develpoment? A) Medical Umbilical Ligament B) Median Umbilical Ligament C)Primitive Urogenital Sinus D) Urachus E) Vitelline Ductarrow_forwarda) Describe the process of neuralation. b) Identify the germ layer from which the nervous system forms. c) Describe when in development neuralation occurs. d) Identify a teratogen that could affect the development of the brain during this stage of pregnancy.arrow_forward
- The stage of prenatal development in which there is rapid growth and all of the organ systems are fully functional is referred to as the a.)first trimester b.)second trimester c.)third trimester d.)zygote phasearrow_forwardD2arrow_forwardMatch each date in column B (approximate time after conception) with a developmental event or stage in column A.Column A Column B(1) blastocyst (a) 38 weeks(2) implantation occurs (b) 15 days(3) first few somites appear (c) 4–7 days(4) flat embryo becomes cylindrical (d) about 21 days(5) embryo/fetus boundary (e) about 21–24 days(6) birth (f) 2nd of week 8(7) primitive streak appears (g) days 6–13arrow_forward
- Which one is correctarrow_forwardInto which structures do the trophoblast cells of the developing embryo, differentiate? a) The developing foetus b) The yolk sac c) The placenta d) The blood vessels e) All of the abovearrow_forwardWhich of the following statements is incorrect? a) Sperm occur as X- or Y-chromosome bearing gametes b) The sex of an individual can not be determined from morphology early in embryonic development c) It is the ovum which determines the sex of the newly developing embryo d) X-chromosome bearing sperm are slightly larger than Y-chromosome bearing spermarrow_forward
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