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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Match the asexual reproductive strategy to its definition
fission
gemmulation
budding
fragmentation
parthenogenesis
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both reproductive systems can be found in the same organism
enhances reproductive success by encouraging genetic diversity
the organism breaks into one or more pieces
uses unequal mitosis
relies on mitosis to produce "daughter cells"
the female transforms herself into a male
cells are surrounded by a resistant capsule
no sperm required for progeny to be made
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In asexual reproduction only ______ ______________is involved, and the offspring are genetically _____________________to the parent. – In Unchanging environments
In sexual reproduction _______ _________________are involved, and the offspring are genetically ___________________from the parent. – Changing environments
Evolution is _____________ _____________over time in a ________________________.
Different organisms have different genes. How is it that so many organisms seem perfectly suited to their environment? ___________ _____ ___________________. After a genetic __________or mutation in an organism, It survives, reproduces, and passes along its genes.
Beneficial ______________ develop at random. The environment “___________” beneficial adaptations. Adaptations are an inherited characteristic.
In sexual reproduction
select answer
Meiosis alone
Mitosis alone
meiosis and mitosis
produce genetically diverse
select answer
Triploid cells
haploid gametes
diploid
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_forwardHuman haploid gametes (sperm and eggs) contain: a. 46 chromosomes, 46 chromatids b. 46 chromosomes, 23 chromatids c. 23 chromosomes, 46 chromatids d. 23 chromosomes, 23 chromatidsarrow_forwardGerm cells are haploid cells True Falsearrow_forward
- What is the term for when unfertilized gametes go through mitotic nuclear cell divisions followed by cytoplasmic divisions to produce daughter cells with an unreduced number of chromosomes? Group of answer choices Automixis Apomixis Syngamy Sexual reproductionarrow_forwardUsing the diagram as a reference, arrange the items in the sequence in which they occur. Male and female pronuclei form Secondary oocyte present in oviduct Oocyte activation Meiosis finishes Amphimoxis Acrosomal enzymes disrupt the corona radiata Reset Helparrow_forwardWhich 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_forward
- Which of the follwing structures is not made up of several cells? Practris Seminiferous Tubule Follicle O Mitotic Spindle Antherarrow_forwardPart A Which of the following processes results in the offspring of sexual reproduction being genetically different from their parents? cytokinesis protein synthesis mitosis O fertilization Submit Request Answerarrow_forwardWhich of the following meiosis does not occur? seminiferous tubules Graafian follicle onion root tip lily anther testesarrow_forward
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