BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 14, Problem 4MCQ
Summary Introduction
Introduction:
Reproductive barriers are the biological features which prevent species from interbreeding. Prezygotic barriers and postzygotic barriers are the two types of reproductive barriers.
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Which statement is true of meiosis?
1)two identical cells in both divisions
2)the first division produces haploid cells and the second produces diploid cells
3)the first division produces diploid cells and the second produces haploid cells
4) the products of both meiotic divisions are haploid
How are mitosis and meiosis alike? How are they different? Write a statement to compare and contrast mitosis and meiosis.
Which reproductive combination produces hybrids? a. when individuals of the same species in different geographical areas reproduce b. when any two individuals sharing the same habitat reproduce c. when members of closely related species reproduce d. when offspring of the same parents reproduce
Chapter 14 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 14.1 - How are macroevolution and microevolution related?Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Write a real or fictitious example other than...Ch. 14.3 - Prob. 1MCCh. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Prob. 1MCCh. 14.4 - Prob. 2MC
Ch. 14.5 - Prob. 1MCCh. 14.5 - Prob. 2MCCh. 14.5 - Prob. 3MCCh. 14.6 - Describe the taxonomic hierarchy.Ch. 14.6 - What are the strengths of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14 - Macroevolution is distinct from microevolution in...Ch. 14 - The biological species concept defines species...Ch. 14 - A mule is the offspring of a male donkey and a...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - Prob. 7MCQCh. 14 - Prob. 8MCQCh. 14 - Prob. 9MCQCh. 14 - Prob. 10MCQCh. 14 - How has the meaning of the term species changed...Ch. 14 - What type of reproductive barrier applies to each...Ch. 14 - Prob. 3WIOCh. 14 - Polyploidy is a common mechanism of speciation in...Ch. 14 - How does natural selection predict a gradualistic...Ch. 14 - Prob. 6WIOCh. 14 - Examine the cladogram in figure 14.17 and answer...Ch. 14 - Prob. 8WIOCh. 14 - Prob. 9WIOCh. 14 - Prob. 1SLCh. 14 - Prob. 1PITCh. 14 - Prob. 2PITCh. 14 - Prob. 3PIT
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- Dogs have a diploid chromosome number of 78. How many chromosomes do their gametes have? a. 39 c. 156 b. 78 d. 234arrow_forwardWhy close relative marriages allowed during the ancient times?arrow_forwardWhich process leads to independent assortment? a)The process of separating chromosomes b)The random alignment of homologs with respect to the others on the metaphase plate c)The process of forming the mitotic spindle d)The process of cytokinesisarrow_forward
- Use the attached image to answer the following question: What belongs in the gametes labeled 1-4 above? 1. AB ab Ab aB 2. AB ab Ab aB 3. AB ab Ab aB 4. AB ab Ab aBarrow_forwardIf the liver cells of an animal have 48 chromosomes, the sperm cells would have how many chromosomes? Question 5 options: a) 24 b) Twice the diploid number c) Half the haploid number d) 48arrow_forwardWhich is an advantage of asexual reproduction compared to sexual reproduction? A. Mutations occur in most offspring. B. Offspring resemble the parents most of the time. C. Energy is not wasted in finding a mate. D. The population growth rate and diversity stays constantarrow_forward
- Infer from the results of crosses whether or not a traitis sex-linked.arrow_forwardWhat is the main difference between autopolyploid and allopolyploid? a. the number of chromosomes b. the functionality of the chromosomes c. the source of the extra chromosomes d. the number of mutations in the extra chromosomesarrow_forwardHow does the sexual life cycle increase the genetic variation in a species? a. by providing gametes with different combinations of parental chromosomes. b. by allowing the combination of chromosomes from two different individuals. c. by allowing recombination of the alleles on a chromosome. d. A and B only. e. A, B, and C. Explain your answer.arrow_forward
- Conclude from ratios of progeny in a dihybrid crosswhether two genes are linked.arrow_forwardGive explanation X and Y chromosomes are not homologs, but in meiosis they do pair and segregate in XY organisms to create 50% haploid gametes with an X chromosome and 50% haploid gametes with a Y chromosome. How is pairing achieved? a. Since all other homologous chromosomes pair, the remaining two chromosomes pair by default. b Pairing proteins are capable of binding to different genes on the X and Y chromosomes, which allows them to pair. c. None of the statements is correct. d. They don't actually pair. Random segregation generally ensures the X and Y chromosomes separate. e.Pseudoautosomal regions that are homologous exist at the tips of both the X and Y chromosomes, and they allow pairing.arrow_forwardHow do cells after meiosis compare with cells that are in the prophase of meiosis I?A) The cells have half the number of chromosomes and one-fourth the amount of DNA.B) The cells have the same number of chromosomes and half the amount of DNA.C) The cells have half the number of chromosomes and half the amount of DNA.D) The cells have half the amount of cytoplasm and twice the amount of DNA.arrow_forward
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