CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
3rd Edition
ISBN: 9780134875040
Author: Urry
Publisher: PEARSON
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Chapter 10, Problem 9TYU
Summary Introduction
To explain:
In a short essay how chromosome behaviour during sexual reproduction inanimals ensures perpetuation of parental traits in offspring and, at the same time,
Introduction:
Chromosomes are the densely packed DNA molecule, found within the nucleus of a cell. During sexual reproduction the chromosome undergoes genetic recombination. During cell cycles the chromosome undergoes different phases to divide itself into two.
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Chapter 10 Solutions
CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
Ch. 10.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 10.1 - How does an asexually reproducing eukaryotic...Ch. 10.1 - WHAT IF? A horticulturalist breeds orchids, trying...Ch. 10.2 - Prob. 1CCCh. 10.2 - Prob. 2CCCh. 10.2 - Prob. 3CCCh. 10.2 - WHAT IF? A certain eukaryote lives as a...Ch. 10.3 - Prob. 1CCCh. 10.3 - WHAT IF? After the synaptonemal complex...Ch. 10.4 - Prob. 1CC
Ch. 10.4 - Prob. 2CCCh. 10 - A human cell containing 22 autosomes and a Y...Ch. 10 - Homologous chromosomes move toward opposite poles...Ch. 10 - If the DNA content of a diploid cell in the G1...Ch. 10 - Prob. 4TYUCh. 10 - Prob. 5TYUCh. 10 - Prob. 6TYUCh. 10 - Prob. 7TYUCh. 10 - Prob. 8TYUCh. 10 - Prob. 9TYUCh. 10 - Prob. 10TYU
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- The processes that pass genetic information from generation to generation arearrow_forward. A mature female wolf, with 78 diploid chromosomes in each somatic cell, produces haploid oocytes (egg cells) containing how many chromosomes per cell? 1 sex-determining chromosome (Y) and 38 autosomes 2 sex-determining chromosomes (XX) and 76 autosomes 1 sex-determining chromosome (X) and 39 autosomes 2 sex-determining chromosomes (XY) and 76 autosomes 1 sex-determining chromosome (X) and 38 autosomesarrow_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_forward
- How does the sexual life cycle increase the genetic variation in a species? By increasing gene stability By allowing fertilization By allowing crossing over By conserving chromosomal gene order By decreasing mutation frequencyarrow_forwardIn which behaviour of chromosomes do mitosis and meiosis differ from each other? In meiosis, homologous chromosomes lie in pairs but don't cross over; whereas, in mitosis, chromosomes remain separate and undergo crossing overr. In meiosis, homologous chromosomes don’t lie in pairs and don't undergo crossing over; whereas, in mitosis, chromosomes lie in pairs and get crossed over. In mitosis, chromosomes, as a whole, move towards the opposite poles; whereas, in meiosis I, chromatids move towards the opposite poles. In meiosis, homologous chromosomes lie in pairs, and form chiasmata; whereas, in mitosis homologous chromosomes dont undergo synapsis or crossing over.arrow_forward#5: knowledge in geneticsarrow_forward
- 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)arrow_forwardHow do mitosis and meiosis differ? Q 15 of 15 Meiosis occurs as sex cells reproduce and engage in crossing over, while mitosis occurs as DNA replicates itself. Mitosis occurs in females, and meiosis occurs in males in sexual reproduction. Mitosis is used to create the DNA in sex cells, and meiosis replicates cells within the body. Meiosis is involved in sex cell reproduction, which duplicates the 46 chromosomes, and mitosis is not.arrow_forwardBackground Info Rainbow trout go through a unique genetic reproductive process. Female eggs are diploid, while male sperm are haploid. In the wild, when the sperm fertilizes an egg, the extra set of chromosomes is kicked out, resulting in a diploid offspring.Triploid trout are produced in the lab to provide sterile fish stock for lakes. Shortly after the eggs are fertilized, scientists place them in a warm water bath to prevent the extra chromosomes from being removed. The result is a triploid fish that cannot reproduce.Rainbow Trout: n = 30 Global warming is an issue affecting many species around the world. Warming has caused the temperatures in lakes and rivers to increase and stay elevated for longer periods of time. Question Select the FOUR numbers that describe the possible effects of global warming on the reproduction of rainbow trout in the wild and on biodiversity. The extra set of chromosomes remains. The extra set of chromosomes is removed. The offspring are diploid (2n).…arrow_forward
- The continuity of life is based on heritable information in the form of DNA. Relate the structure and behavior of chromosomes to inheritance in bot asexually and sexually reproducing species.arrow_forwardExplain why meiosis and gametogenesis are always interlinked?arrow_forwardThe continuity of life is based on heritable information in the form of DNA. In a short essay ( 100−150 words), relate the structure and behavior of chromosomes to inheritance in both asexually and sexually reproducing species.arrow_forward
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