Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 28, Problem 3RQ
Sperm and ova are similar in terms of ________.
- size
- quantity produced per year
- chromosome number
- flagellar motility
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The fusion of a sperm and an egg cell initally produces which of thefollowing?
a. blastocyst c. zygoteb. gamete d. stem cell
The oogonium starts meiosis I but stops at ____________________.
Sperm and ova are similar in terms of ________. a. size b. quantity produced per year c. chromosome number d. flagellar motility
Chapter 28 Solutions
Anatomy & Physiology
Ch. 28 - View this time-lapse movie...Ch. 28 - Visit this site...Ch. 28 - Sperm and ova are similar in terms of ________....Ch. 28 - Although the male ejaculate contains hundreds of...Ch. 28 - As sperm first reach the oocyte, they will contact...Ch. 28 - Fusion of pronuclei occurs during ________....Ch. 28 - Sperm must first complete ________ to enable the...Ch. 28 - Cleavage produces daughter cells called ________....Ch. 28 - The conceptus, upon reaching the uterus, first...Ch. 28 - The inner cell mass of the blastocyst is destined...
Ch. 28 - Which primary germ layer gave rise to the cells...Ch. 28 - What would happen if the trophoblast did not...Ch. 28 - During what process does the amnion envelop the...Ch. 28 - The placenta is formed from ________. the embryos...Ch. 28 - The foramen ovale causes the fetal circulatory...Ch. 28 - What happens to the urine excreted by the fetus...Ch. 28 - During weeks 9–12 of fetal development,...Ch. 28 - Progesterone secreted by the placenta suppresses...Ch. 28 - Which of the following is a possible culprit of...Ch. 28 - How does the decrease in progesterone at the last...Ch. 28 - Which of these fetal presentations is the easiest...Ch. 28 - Which of these shunts exists between the right and...Ch. 28 - Why is brown fat important? It is the newborns...Ch. 28 - Constriction of umbilical blood vessels during...Ch. 28 - Alveoli are connected to the lactiferous sinuses...Ch. 28 - How is colostrum most important to a newborn? It...Ch. 28 - Mature breast milk ________. has more sodium than...Ch. 28 - Marfan syndrome is inherited in an autosomal...Ch. 28 - In addition to codominance, the ABO blood group...Ch. 28 - Zoe has cystic fibrosis. Which of the following is...Ch. 28 - Darcy and Raul are having difficulty conceiving a...Ch. 28 - Sherrise is a sexually active college student. On...Ch. 28 - Approximately 3 weeks after her last menstrual...Ch. 28 - The Food and Nutrition Board of the Institute of...Ch. 28 - What is the physiological benefit of incorporating...Ch. 28 - Why would a premature infant requite supplemental...Ch. 28 - Devin is 35 weeks pregnant with her first child...Ch. 28 - Janine is 41 weeks pregnant with her first child...Ch. 28 - Describe how the newborns fust breath alters the...Ch. 28 - Newborns are at much higher risk for dehydration...Ch. 28 - Describe the transit of breast milk from...Ch. 28 - A woman who stopped breastfeeding suddenly is...Ch. 28 - Explain why it was essential that Mendel perform...Ch. 28 - How can a female carrier of an X-linked recessive...
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- Figure 18.12 Which of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the seminal vesicles. b. The ejaculatory duct joins the urethra. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.arrow_forwardFigure 18.17 Which of the following statements about hormone regulation of the female reproductive cycle is false? a. LH and FSH are produced in the pituitary, and estrogen and progesterone are produced in the ovaries. b. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. c. Both progesterone and estrogen are produced by the follicles. d. Secretion of GnRH by the hypothalamus is inhibited by low levels of estrogen but stimulated by high levels of estrogen.arrow_forwardFill in the blank: Sperm cells undergo maturation while they are stored in the _______________________.arrow_forward
- The process through which sperm cells are produced is called.............. meiosis fertilization binary fission mitosisarrow_forwardFusion of pronuclei occurs during ________.a. spermatogenesisb. ovulationc. fertilizationd. capacitationarrow_forwardThe process of spermatogenesis produces __________ functional sperm and Oogenesis produces ___________ functional egg(s): A. 1 and millions B. 4 and millions C. 4 and 1 D. 1 1 and 4 E. 4 and billionsarrow_forward
- Each egg cell develops in its own fluidfilled space called a/an _____.arrow_forward.......is the monthly series of changes a woman's body goes through. The menstrual cycle Pregnancy Puberty Meiosisarrow_forwardIn the male reproductive gland in the growth zone there are 20000 primary spermatocytes. How many secondary spermatocytes and spermatozoacan be formedarrow_forward
- and humans, the ___ determines the sex of the offspring because ___ A. male... The mail can contribute either X or Y B. female… Only the female provides cytoplasm to the zygote C. Male… The sperm can fertilize either a female or a male egg D. Female… Only the female has two functional sex chromosomearrow_forwardFill in the blank: The anterior end of a sperm head, called the _______________________, contains enzymes that aid thepenetration of an egg cell at the time of fertilization.arrow_forwardWithout SRY expression, an embryo will develop ________.a. male reproductive structuresb. female reproductive structuresc. no reproductive structuresd. male reproductive structures 50 percent of thetime and female reproductive structures 50percent of the timearrow_forward
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