Inquiry Into Life (16th Edition)
16th Edition
ISBN: 9781260231700
Author: Sylvia S. Mader, Michael Windelspecht
Publisher: McGraw Hill Education
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Textbook Question
Chapter 22, Problem 4A
Which process is responsible for the shape and form of the body?
- cleavage
- growth
- induction
- morphogenesis
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After fertilization a developing embryos goes through several changes. At about 2-3 days, what is the embryo referred to as?
The correct order of the process that occurs when a sperm encounters an egg is the
sperm reaches ovum, implantation occurs, zygote is formed, embryo begins secreting hCG.
sperm reaches ovum, zygote is formed, implantation occurs, embryo begins secreting hCG.
sperm reaches ovum, embryo begins secreting hCG, implantation occurs, zygote is formed.
sperm reaches ovum, embryo begins secreting hCG, zygote is formed, implantation occurs.
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QUESTION 20
Early Embryonic Development
Match the following terms to the descriptor. NOTE: If you want to change your selection, you'll need to delete the one you already chose. After you delete it,
the list of choices will pop back up and you can make a different choice.
Organogenesis
Hollow ball of cells
Gastrulation
Formation of organs
Cleavage
Rapid cell division
Cells rearrange themselves into layers
Blastula
Chapter 22 Solutions
Inquiry Into Life (16th Edition)
Ch. 22.1 - Identify the major structures of a sperm cell and...Ch. 22.1 - Describe the steps involved in fertilization.Ch. 22.1 - Describe the cellular, tissue, and organ stages of...Ch. 22.1 - Outline the steps of fertilization, beginning with...Ch. 22.1 - Describe two ways that an oocyte avoids...Ch. 22.1 - Compare and construct the cellular and tissue...Ch. 22.1 - Identify the organ system that are formed from...Ch. 22.2 - Explain how cellular differentiation and...Ch. 22.2 - Explain how cytoplasmic segregation and induction...Ch. 22.2 - Describe how morphogen genes, homeotic genes and...
Ch. 22.2 - Describe two process that are associated with...Ch. 22.2 - Define the term “morphogen”.Ch. 22.2 - Explain the function of the homeobox sequence in a...Ch. 22.3 - Identify the extraembryonic membranes and provide...Ch. 22.3 - Summarize in chronological order, the major events...Ch. 22.3 - Describe the flow of blood in a fetus and explain...Ch. 22.3 - Besides tobacco, alcohol, and illegal drugs what...Ch. 22.3 - Prob. 1CYPCh. 22.3 - Summarize the major events by month during fetal...Ch. 22.3 - Describe the path of blood flow in the fetus...Ch. 22.3 - Explain the function of the placenta.Ch. 22.4 - Describe changes that occur in Indian psychology...Ch. 22.4 - Outline the stages of birth.Ch. 22.4 - Summarize the advantages of breast-feedingCh. 22.4 - Describe the psychological changes that occur in a...Ch. 22.4 - Identify the stage of parturition in which the...Ch. 22.4 - Define colostrum, and least three advantage of...Ch. 22.5 - Describe the factors that contribute to aging.Ch. 22.5 - Discuss the effects of aging on various body...Ch. 22.5 - What is the rule of the hippocampus, and how does...Ch. 22.5 - How might anti-inflammatory drugs slow the...Ch. 22.5 - Explain how telomeres influence cellular aging.Ch. 22.5 - Summarize how that may contribute to aging.Ch. 22.5 - Summarize the diseases that are associated with...Ch. 22 - Prob. S5.4BYBCh. 22 - Figure 21.3 and 21.7 What are the difference...Ch. 22 - Section 21.2 and 21.3 Where does fertilization...Ch. 22 - Only one sperm enters an egg because Sperm have an...Ch. 22 - The fusion of a sperm and then it will initially...Ch. 22 - Which primary germ layer is not correctly matched...Ch. 22 - Which process is responsible for the shape and...Ch. 22 - The ability of one embryonic tissue to the...Ch. 22 - The Identity of each segment of a development...Ch. 22 - Prob. 7ACh. 22 - Prob. 8ACh. 22 - Prob. 9ACh. 22 - Prob. 10ACh. 22 - Which of the following is increased in the mother...Ch. 22 - Prob. 12ACh. 22 - Prob. 13ACh. 22 - Mitochondria contain their own genetic material....Ch. 22 - Prob. 2TCCh. 22 - 3. Variety of fertility tests are available for...
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- As Cleavage stage of embryo genesis proceeds, the developmental potential of the cells becomes restricted. True Falsearrow_forwardAfter the eighth week of development an embryos is referred to as what?arrow_forwardWhat is the source of different cytoplasmic determinants present in the embryo after fertilization? They are introduced into the cell when the zygote divides They were produced during the process of fertilization. They are within the cytoplasm of the egg cell. They are from the sperm cell.arrow_forward
- Stages in Development First trimester Second trimester Third trimester Match the developmental milestone below with the appropriate trimester numbered above. Developmental Milestone Number The embryonic heart begins to beat Answer The placenta is formed Answer The eyes are open Answer The testes descend into the scrotum Answerarrow_forwardWhat is organogenesis, and why is this concept important to the process of development?arrow_forwardAmniocentesis is a prenatal medical procedure conducted by extracting and analyzing fetal cells in the amniotic fluid, the fluid that surrounds the fetus. What information can be obtained about the developing fetus through amniocentesis? fetal infections environmental toxin-induced defects structural defects chromosomal abnormalities Incorrectarrow_forward
- Fill in the blank: _________________ is the phase of development during which cellular divisions result in smaller and smallercells.arrow_forwardThere are 6 major events in fertilization. Discuss the process of fertilization or conception, with emphasis on the sperm-egg interaction. Proteins on the sperm plasma membrane bind to ZP3 molecules within the zona pellucida of the egg. Why is this event important? Zona binding triggers the acrosome reaction, in which the sperm plasma membrane fuses with the outer acrosomal membrane, causing exocytosis of acrosomal contents. What is in the "acrosomal content"? Acrosomal enzymes begin to dissolve a hole in the zona pellucida. This enzymatic degradation, accompanied by rapid sperm tail beating, moves the sperm through the zona. Where does the sperm intend to reach?arrow_forwardMatch the term with the correct description. carries deoxygenated and waste-filled blood away from developing baby carries highly oxygenated and nutrient-filled blood back toward developing baby houses 1 vein and 2 arteries and is the lifeline for the developing baby and its connection to its mother the process by which the nucleus of a sperm fuses with the nucleus within an egg to form the first diploid somatic cell of a new organism fetal development stage when fertilization takes place the fetal developmental stage when placenta forms, the heart begins to beat and sex organs start to differ based on sex chromosome within fertilizing sperm (X or Y) the longest stage of fetal development in which organs systems develop so baby can survive outside of the mother's uterus two developing zygotes each originating from both separate sperm and egg combinations; each have different DNA combinations…arrow_forward
- Which of the following does NOT aid the sperm in fertilization? * Increased mitochondria Cytoplasmic bridge Acrosomes Flagellum development Hyaluronidase & proteasearrow_forwardDo other organs or organ systems develop at the same time? Are they related to the function of your assigned organ or organ system? A previously infertile couple wishes to have a pregnancy but the man produces non-motile sperm. If it were possible to fertilize one of the woman's eggs by removing a sperm nucleus and injecting it into the egg, could this procedure ever produce viable offspring? Why or why not?arrow_forwardA couple living in Florida is trying to have a baby, but they are having trouble getting pregnant. The male is very light skinned yet enjoys spending as much time as possible outdoors in the sun. From the male's perspective, why might he be contributing to the trouble with getting pregnant? Excessive ultraviolet light exposure can reduce folate levels, and folate is required for normal sperm development. Excessive heat from the sunlight inhibits normal sperm production; thus, he probably does not have enough sperm. The male does not have enough melanin production to support normal sperm development. Excessive sunlight exposure can rapidly increase folate levels, which then inhibits normal sperm development. Normal sperm development occurs best in colder temperatures; thus, living in Florida he has a reduced chance of getting his partner pregnant.arrow_forward
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