Loose-leaf Version for What Is Life? A Guide to Biology
4th Edition
ISBN: 9781319106317
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 8, Problem 8MC
Summary Introduction
Introduction:
Genetic diversity can give a species a survival advantage.
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Which of the following is a disadvantage of sexual reproduction?
a.)Offspring can be reproduced more quickly than by sexual means
b.)Two parents are required for making sex cells
c.)Offspring are genetically different
d.)Genetic diversity makes organism respond uniformly to environment changes
Binary fission is a form of asexual reproduction. What is an advantage of asexual reproduction when compared to sexual reproduction?
a
Asexual organisms are less likely to have mutations in their DNA than sexual organisms are.
b
An organism that reproduces asexually can reproduce much more quickly than an organism that reproduces sexually.
c
An asexual organism lives longer than an organism that reproduces sexually.
d
An organism that reproduces asexually is better equipped to respond to environmental changes than an organism that reproduces sexually.
In humans, mammals and many other chordates sexual reproduction takes place by
fusion of large immobile ovum and small motile sperm. This kind of sexual
reproduction is:
Select one:
a. Isogamy
b. Schizogony
c. Oogamy
d. Conjugation
e. Polyteny
Chapter 8 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology
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- You are examining a population of C. elegans in their natural habitat, a fresh steaming pile of nutrient-rich compost. Predict what you might expect to see in terms of mode of reproduction in the population. a. The population will primarily reproduce asexually then when they run out of nutrient-rich compost. b. The population will have mostly hermaphrodites with a few males. c. The population will have a really high frequency of males compared to lab conditions. d. The population will primarily undergo sexual reproduction.arrow_forwardOne potential advantage of sexual reproduction is that offspring will have more genetic ______________ compared to offspring produced by asexual reproduction. Group of answer choices A)diversity B)identity C)similarity D)diplomacyarrow_forwardWhich of the following statements is an evolutionary advantage of sex and sexual reproduction? A. Sex and recombination results in decreased genetic variation in a population and maintains advantageous traits. B. Sex and recombination can bring beneficial alleles together when producing offspring. C. Sex and recombination results in the inheritance of all the genetic information available from both parents. D. Reproduction is less risky when gametes from two individuals must fuse.arrow_forward
- Which of the following consequences of sexual reproduction is considered disadvantageous? A. More rapid evolution. B. Generation of novel genotypes. C. Clearance of deleterious mutations. D. Reduced relatedness.arrow_forwardWhat are advantages of asexual reproduction? Select all that apply. A) In a stable environment, a population that develops from asexual reproduction can grow quickly and thrive. B) In an unstable environment, a population that develops from asexual reproduction can grow quickly and thrive. C) Species that reproduce through asexual reproduction have more genetic diversity. D) Organisms in isolated areas can still reproduce through asexual reproduction.arrow_forwardIt is said that sexual reproduction is selectively advantageous to asexual reproduciton. Why is the case? A. Asexual reproduction produces much more genetic diveristy than sexual reproduction B. Asexual repoduction is only half as efficient as sexual repdocution in sending ones genes into the next generation C. Sexual reproduction increases genetic diversity and consequently slows the rate of evolution D. Sexual reproduction is much faster than asexual repoduction E. Sexaul reproduction produces variation among populations which can help increase fitness for certain individuals/increase selection for favorable traitarrow_forward
- What are some benefits that come with sexual reproduction? Please select all correct answers. a. Sexual individuals must reproduce twice as much. b. Sex makes species less vulnerable to parasites. c. Males and females must expend energy finding each other. d. It potentially makes dangerous alleles less dangeous.arrow_forwardMost species reproduce sexually. Some species are entirely asexual, while others can reproduce in both modalities. a) Why is asexual reproduction so rare? b) What can we learn about the factors that maintain sexual reproduction from studying species that can reproduce both sexually and asexually?arrow_forwardThe difference between asexual and sexual reproduction is that A. asexual reproduction occurs only in haplontic organisms, whereas sexual reproduction occurs only in diplontic organisms. B. asexual reproduction results from meiosis, whereas sexual reproduction results from mitosis. C. asexual reproduction occurs only in bacteria, whereas sexual reproduction occurs in plants and animals. O D. asexual reproduction results from the fusion of two gametes, whereas sexual reproduction produces clones of the parent organism. O E. asexual reproduction results in an organism that is identical to the parent, whereas sexual reproduction results in an organism that is not identical to either parent.arrow_forward
- Why is parthenogenesis in bees considered to be a form of asexual reproduction? Select one: a. The male drone is made from a haploid egg. Fertilization is not part of the process to make a male drone. b. The formation of the original haploid cell was achieved using binary fission. c. Although genetic material is transferred from one cell to another using conjugation, the resulting cells will be identical to each other. d. The haploid male bees were made through the process of meiosis, so they are identical to the parent egg cell.arrow_forwardWhich of the following is a benefit of meiosis? A. The generation of offspring with the exact genetic material of the parents ensures the offspring are well-liked to their environment. B. The independent assortment of alleles increases genetic diversity, which allows the species to evolve. C. The separation of chromatids in meiosis creates offspring with only the most desirable traits, which increases the likelihood of species survival. D. The use of meiosis in reproduction allows for the rapid production of many offspring, which increases the odds of species survival.arrow_forwardWhich of the following would not be considered a component of sexual reproduction? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer a Production of eges and sperm in separate sexes in an animal species b. Gradual acquisition of multiple mutations in a purely mitotically dividing eukaryotic single celled organism Occasional production of diploids through fusions of cells of opposite mating types in a yeast that largely reproduces through clonal mitotic divisions "Alteration of generations" between haploid and diploid organisms in a fernarrow_forward
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