BIOLOGY: CONCEPTS+INVESTIGATIONS-ACCESS
4th Edition
ISBN: 9781260950618
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 9, Problem 3PIT
3. Create a separate concept map that includes these terms: crossing over, synopsis, gamete, autosome, and homologous pair. You may add other terms to the map as well.
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6. What is the unit of transmission during Meiosis?
A. chromatids
B. genes
C. alleles
D. chromosomes
1. How would a tubal ligation or vasectomy influence meiosis in individuals who elected to have one of these operations?
2. Synapsis of homologous chromosomes is perhaps the most important event in meiosis. What is it and what does it do?
1. A diploid organism has the genotype I1I2V1V2 Y1Y2 on different chromosomes. Diagram only these three pairs of chromosomes to represent:
Any correct mitotic phase, label the alleles.
Any correct meiotic phase, label the alleles.
Compare the results of mitosis with the results of meiosis in terms of the number of chromosomes and the genotype of the cells produced.
Chapter 9 Solutions
BIOLOGY: CONCEPTS+INVESTIGATIONS-ACCESS
Ch. 9.1 - Prob. 1MCCh. 9.1 - How can asexually reproducing organisms acquire...Ch. 9.1 - Prob. 3MCCh. 9.2 - Prob. 1MCCh. 9.2 - Review figure 7.8, which shows that a chromosome...Ch. 9.3 - How do haploid and diploid nuclei differ?Ch. 9.3 - Prob. 2MCCh. 9.3 - Prob. 3MCCh. 9.3 - Prob. 4MCCh. 9.4 - What happens during interphase
Ch. 9.4 - How do the events of meiosis I and meiosis II...Ch. 9.5 - Prob. 1MCCh. 9.5 - Prob. 2MCCh. 9.5 - How are identical twins different from fraternal...Ch. 9.6 - Prob. 1MCCh. 9.6 - In what ways are mitosis and meiosis different?Ch. 9.7 - Prob. 1MCCh. 9.7 - How can deletions, duplications, inversions, and...Ch. 9.8 - What are the stages of sperm development in...Ch. 9.8 - Prob. 2MCCh. 9.8 - How does gamete production in plants differ from...Ch. 9.9 - Prob. 1MCCh. 9.9 - Prob. 2MCCh. 9 - Prob. 1MCQCh. 9 - Meiosis explains why a. you inherited half of your...Ch. 9 - Prob. 3MCQCh. 9 - Prob. 4MCQCh. 9 - Prob. 5MCQCh. 9 - Prob. 6MCQCh. 9 - Explain why evolution often selects traits that...Ch. 9 - Describe a situation in which asexual reproduction...Ch. 9 - Sketch the relationships among mitosis, meiosis,...Ch. 9 - Prob. 4WIOCh. 9 - How are the members of a homologous pair similar...Ch. 9 - Prob. 6WIOCh. 9 - Draw all possible metaphase I chromosomal...Ch. 9 - In some animals, females can reproduce by...Ch. 9 - List examples of abnormalities in chromosome...Ch. 9 - Prob. 10WIOCh. 9 - Prob. 11WIOCh. 9 - Prob. 12WIOCh. 9 - 1. Review section 9.5 and the Survey the Landscape...Ch. 9 - 2. Fit the following terms into this concept map:...Ch. 9 - 3. Create a separate concept map that includes...
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- If a muscle cell of atypical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism? 8 16 32 64arrow_forwardWhich of the following is not associated with sperm production? a. daughter cells identical to the parent cell b. variety in resulting cells c. chromosome number halved in resulting cells d. four daughter cells arising from one parent cell e. 23 chromosomes in the human spermarrow_forwardThe DNA content in a diploid cell in G2 is X. If that cell goes into meiosis at metaphase II, the DNA content will be: a. 0.1 X. b. 0.5 X. c. X. d. 2X. e. 4X.arrow_forward
- The part of meiosis that is similar to mitosis is ___________ . meiosis I anaphase I meiosis II interkinesisarrow_forwardWhich of the following cells can undergo meiosis? a. the diploid body cells of an animal b. haploid gametes c. germ cellsarrow_forward1.Why are organisms that have only a single set of chromosomes (haploid) often more favorable for genetic experiments than those having two sets (diploid)? 2. A cell of genotype Aa undergoes meiosis. What will be the genotype(s) of the daughter cells if all of them are functional?arrow_forward
- 1-The number of CAG repeats in the Huntingtin gene can be increased in children of people with Huntington's, causing earlier onset in their children. This concept is known as? a-male meiosis b-female meiosis c-pre-mutation d-dominat lethal e-antiicipationarrow_forward__1. How many sperms will be formed from 16 secondary spermatocytes? __2. If an organism’s somatic cell has 2n=8, what will be the chromosome number of its gametes (undergo meiosis I and II)?arrow_forward1. Describe the stages of meiosis.arrow_forward
- 1. What happens during crossing over? Why is “recombination” an alternative term for what happens during the process of crossing over? Does it occur during mitosis? If so, when? If not, explain why not. Does crossing over occur during meiosis? If so, when? If not, explain why not. How does crossing over influence the genetic diversity of gametes?arrow_forwardAn abnormality in which there is one more or one fewer than the normal number of chromosomes is called (a) a karyotype (b) a fragile site (c) an aneuploidy (d) trisomy (e) a translocationarrow_forwardIn the human sperm: a. there must be one chromosome of each type, except for the sexchromosomes, where either an X or a Y chromosome is present. b. a chromosome must be represented from each parent. c. there must be an unequal number of chromosomes from both parents. d. there must be representation of chromosomes from only one parent. e. there is the possibility of 246 different combinations ofmaternal and paternal chromosomes.arrow_forward
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