ch29 - Chapter 29 DEVELOPMENT AND INHERITANCE Chapter...

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Chapter 29 DEVELOPMENT AND INHERITANCE Chapter Overview The chapter begins with a discussion of prenatal development. This discussions traces development from fertilization through the fetal period. Prenatal diagnostic tests and maternal changes during pregnancy are examined. Hormonal interactions during pregnancy and the effect of exercise on pregnancy are considered. Parturition and labor, the adjustments of the infant at birth, and the physiology of lactation are examined. Among the topics discussed in relation to inheritance are genotype and phenotype, variations on dominant-recessive inheritance (incomplete dominance, multiple-allele inheritance, and polygenic inheritance), genes and the environment, the inheritance of sex, red-green color blindness, and sex-linked inheritance. Disorders covered include infertility, Down syndrome, and trinucleotide repeat diseases. Clinical applications include ectopic pregnancy, placenta previa, early pregnancy tests, pregnancy-induced hypertension, dystocia and Cesarean section, premature infants, and nursing and childbirth. Chapter Outline and Objectives INTRODUCTION 1. Differentiate between embryological development and fetal development 2. List the three periods of prenatal development. EMBRYONIC PERIOD
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First Week of Development Fertilization 3. Describe the transport and stimulus for transformation of the sperm from introduction into the female reproductive tract through capacitation. 4. Define the conditions produced by the sperm to penetrate the three layers surrounding the secondary oocyte and the actions initiated when the first sperm merges with the ooctye. 5. Discuss the difference in the process that forms monozygotic versus dizygotic twins. Cleavage of the Zygote 6. Explain the process of cleavage and state how this process leads to the formation of a morula. 7. Discuss stem cell research and therapeutic cloning and the ultimate goals of these therapies. Development of the Blastocyst 8. Specify the features of the blastocyst that distinguish it from the morula and leads to differentiation of cells. Implantation
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ch29 - Chapter 29 DEVELOPMENT AND INHERITANCE Chapter...

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