Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 39.2, Problem 1TYK
In _________ gametes are released in large numbers in a watery environment.
- copulation
- the cortical reaction
- internal fertilization
- spermatogenesis
- external fertilization
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The process through which sperm cells are produced is called..............
meiosis
fertilization
binary fission
mitosis
Which of these is an example of asexual reproduction?
A hermaphrodite mating with another hermaphrodide
A female lizard producing embryos via parthenogenesis
Different corals producing either sperm or eggs and releasing them into the water during spawning where they are fertilized externally
Mating between a male and female birds
Gamete formation results in ____.
the pairing of homologous chromosomes
offspring that are genetically distinct from each other
offspring that are genetic clones of the present
asexual reproduction
the fusion of gametes
Chapter 39 Solutions
Principles of Biology
Ch. 39.1 - Choose the correct statement. The majority of...Ch. 39.2 - In _________ gametes are released in large numbers...Ch. 39.2 - In which way is gametogenesis similar in males and...Ch. 39.3 - Prob. 1CCCh. 39.3 - Prob. 1TYKCh. 39.3 - Prob. 2TYKCh. 39.4 - Prob. 1BCCh. 39.4 - Prob. 2BCCh. 39.4 - Prob. 1CCCh. 39.4 - Prob. 1TYK
Ch. 39.4 - Prob. 2TYKCh. 39.5 - The three germ layers of triploblasts are...Ch. 39.5 - Choose the correct sequence of events. cleavage...Ch. 39.6 - Under what condition(s) might you expect temporary...Ch. 39.6 - Prob. 2TYKCh. 39 - Prob. 1TYCh. 39 - Prob. 2TYCh. 39 - Spermatogonia are haploid germ cells. d. have...Ch. 39 - Prob. 4TYCh. 39 - Prob. 5TYCh. 39 - Prob. 6TYCh. 39 - A major function of FSH is to stimulate the...Ch. 39 - Prob. 8TYCh. 39 - Prob. 9TYCh. 39 - Cells of the neural crest give rise to the central...Ch. 39 - Prob. 1CCQCh. 39 - Prob. 2CCQCh. 39 - Prob. 3CCQCh. 39 - Describe the major events in animal development...Ch. 39 - Describe the events of the ovarian and uterine...
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- Fertilization _____. a. unites the nuclei of a sperm and egg cell b. forms a zygote that has chromosomes of both parents c. usually occurs in an oviduct d. all of the above e. a and b but not carrow_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_forwardMultiple choice:which of the following are disadvantages of sexual reproduction? Requires more timeRequires more energy to be expended during courtship Favorable gene combo are broken up Allows for the removal of bad genetic combinationsarrow_forward
- Which statements describe sexual reproduction? offspring is a combination of DNA from two parents produces offspring that are identical to the parents diploid parent organisms produce haploid offspring uses gamete cells produced by meiosisarrow_forwardDuring typical earthworm reproduction ( the individual self fertilizes/ monecious individuals exchange sperm/ fertilization occurs during copulation between males and females/ reproduction is by parthenogenesis)?arrow_forwardThe sex of an infant will be female when The mother's ovary produces testosterone early in pregnancy The X chromosome is received from the father . An X chromosome is received from the mother . Conception occurs during the last half of the female reproductive cyclearrow_forward
- In sexual reproduction select answer Meiosis alone Mitosis alone meiosis and mitosis produce genetically diverse select answer Triploid cells haploid gametes diploidarrow_forwardSpermatogenesis usually occurs during the ___________ and continues in the _________ stage in some insects. The ________ is composed of germ cells and somatic mesodermal cells. Each follicle contains a large _________ that apparently serves as trophic function. The spermatogonia undergo several __________ divisions to form the primary spermatocytes. The primary spermatocytes become _________ in somatic cells.arrow_forwardWhich of the following cell part is absent in a human spermatozoon? A) nucleus C) cell membrane B) cytoplasmarrow_forward
- In frog neurulation the notochord _______ the formation of the _______ in the ectoderm next to it. Group of answer choices expresses, neural plate induces, neural plate induces, somites expresses, somitesarrow_forwardGiven the table below give the difference between the number of parents involved and gamtes in asexual and sexual reproduction. Explain it thoroughly. Characteristics Asexual Reproduction Sexual Reproduction Number of parents involved Gametesarrow_forwardOne cost to sexual reproduction is that looking for a mate costs time and energy. Group of answer choices True Falsearrow_forward
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