CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Chapter 13, Problem 10TYU
Summary Introduction
To explain: The perpetuation of parental traits and
Theme introduction:
The transmission of traits to the next generation is known as heredity and the heritable information is in the form of DNA. The offsprings resemble their parents but are somewhat different in their genetic makeup which explains the genetic variation.
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Explain how chromosome behavior during sexual reproduction in animals ensures perpetuation of parental traits in offspring
and, at the same time, genetic variation among offspring.
Include stages of reproduction in roaches - starting with the egg and sperm to zygote then to young offspring to adult( be sure to include the accurate number of chromosome)
explain how chromosome behaviour during sexual reproduction in animals ensures perpetuation of parental traits in offspring and, at the same time, gentetic variation among offspring.
Chapter 13 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 13.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 13.1 - Prob. 2CCCh. 13.1 - WHATIF? A horticulturalist breeds orchids, trying...Ch. 13.2 - MAKE CONNECTIONS In Figure 13.4. how many DNA...Ch. 13.2 - VISUAL SKILLS In The karyotype shown in Figuro...Ch. 13.2 - Prob. 3CCCh. 13.2 - WHAT IF? A certain eukaryote lives as a...Ch. 13.3 - MAKE CONNECTIONS Comparc tho chromosomes in a...Ch. 13.3 - WHAT IF? After the synaptonemal complex...Ch. 13.4 - What is the original source of Variation among the...
Ch. 13.4 - The diploid number for fruit flies is 8, and the...Ch. 13.4 - Prob. 3CCCh. 13 - Explain why human offifuing resemble their parents...Ch. 13 - Prob. 13.2CRCh. 13 - Prob. 13.3CRCh. 13 - Prob. 13.4CRCh. 13 - A human cell containing 22 autosomes.and a Y...Ch. 13 - The two homologs of a pair move toward opposite...Ch. 13 - Meiosis II is similar to mitosis in that (A)...Ch. 13 - Prob. 4TYUCh. 13 - If we continue to follow the cell lineage from...Ch. 13 - DRAW IT The diagram shows a cell in meiosis. (a)...Ch. 13 - Explain how you can tell that the cell in question...Ch. 13 - EVOLUTION CONNECTION Many species can reproduce...Ch. 13 - SCIENTIFIC INQUIRY The diagram in quest ion 6...Ch. 13 - Prob. 10TYUCh. 13 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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- list and describe the ways meiosis increases variability; be able to discuss importance of genetic diversity. list and describe the processes of the central dogma of biology – the flow of information from DNA to protein.arrow_forward* b. Briefly explain how the use of this molecule (CA1P) disrupts both stages of photosynthesis while the Rubisco enzyme is associated with only one stage. Codule 3: The principles of heredity 1. Let's take the example of the gray kangaroo (Macropus fuliginosus) whose ploidy is 8 and the sexual determinism of this species is carried out according to the XY mode. From a male kangaroo: a) Draw the karyotype of this individual, obtained by stopping division at metaphase. Your drawing should include: a. All maternal and paternal chromosomes involved (different colors) b. An example of autosome and heterochromosome c. An example of homologous chromosome, sister chromatid and centromere. d. The total number of chromosomes in a metaphase kangaroo cell. e. A sentence to explain the difference between the terms gene and allele that might apply to this species. Page 3/4 Sh Q + 9 CA 9 0 11:57 M DELLarrow_forwardnote: the cirled answer might be right or wrongarrow_forward
- List three reasons why individuals that result from sexual reproduction do not have the same DNA instructions as their parents.arrow_forwardBased on Standard NGSS MS-LS3-2: Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation. In reference to the attached image, can you create a model that shows how it is possible that the twins ended up with such different traits yet have the same parents? Keeping in mind that the twins are a set of fraternal twins. Note:Required a cause-and-effect relationship between parents and offspring with the appropriate mechanism, and Diagram shows genetic recombination as well as inheritancearrow_forwardIn C. elegans there are two sexes: hermaphrodite and male. Sex is determined by the ratio of X chromosomes to haploid sets of autosomes (X/A). An X/A ratio of 1.0 produces a hermaphrodite (XX), and an X/A ratio of 0.5 results in a male (XO). In the 1970s, Jonathan Hodgkin and Sydney Brenner carried out genetic screens to identify mutations in three genes that result in either XX males (tra-1, tra-2) or XO hermaphrodites (her-1). Double-mutant strains were constructed to assess for epistatic interactions between the genes (see table). Propose a genetic model of how the her and tra genes control sex determination.arrow_forward
- Helparrow_forwardDescribe an example of each of the following: a pre-zygotic barrier to reproduction a post-zygotic barrier to reproductionarrow_forwardSome organisms are capable of asexual or sexual reproduction. Under favorable conditions, reproduction proceeds asexually. When conditions become more stressful reproduction switches to a sexual mode. Why? Question options: Sexual reproduction is simple and more rapid allowing larger numbers of offspring to be produced. Sexual reproduction requires two separate individuals, who can mutually provide nutrient support during stress. Sexual reproduction produces individuals with new combinations of recombined chromosomes increasing diversity. Asexual reproduction requires more energy.arrow_forward
- Explain step by step.arrow_forwardHelparrow_forwardexplain how sexual reproduction increases genetic diversity from one generation to the next. Specifically, describe how crossing over and random alignment in meiosis create genetic diversity. Then describe how fertilization increases genetic diversity.arrow_forward
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