Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433776
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Chapter 10, Problem 8TYU
SCIENTIFIC INQUIRY
The diagram in question 5 represents a meiotic cell. Assume the freckles gene is at the locus marked F, and the hair-color gene is located at the locus marked H, both on the long chromosome. The person from whom this cell was taken has inherited different alleles for each gene (“freckles” and “black hair” from one parent and “no freckle s” and “blond hair” from the other). Predict allele combinations in the gametes resulting from this meiotic event List other possible combinations of these alleles in this person’s gametes.
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SCIENTIFIC INQUIRY The diagram in question 6 represents just a few of the chromosomes of a meiotic cell in a certain person. Assume that the freckles gene is located at the locus marked F, and the hair-color gene is located at the locus marked H, both on the long chromosome. The individual from whom this cell was taken has inherited different alleles for each gene (“freckles” and “black hair” from one parent, and “no freckles” and “blond hair” from the other). Predict allele combinations in the gametes resulting from this meiotic event. (It will help if you draw out the rest of meiosis and label the alleles by name.) List other possible combinations of these alleles in this individual’s gametes.
Question is also in the picture.
SCIENTIFIC INQUIRY The diagram in question 6 representsjust a few of the chromosomes of a meiotic cell in a certainperson. Assume the freckles gene is located at the locus markedF, and the hair-color gene is located at the locus marked H,both on the long chromosome. The individual from whomthis cell was taken has inherited different alleles for each gene(“freckles” and “black hair” from one parent, and “no freckles”and “blond hair” from the other). Predict allele combinationsin the gametes resulting from this meiotic event. (It will helpif you draw out the rest of meiosis and label the alleles byname.) List other possible combinations of these alleles in thisindividual’s gametes.
The drawings below represent four possible cells produce by meiosis in a cell pf the genotype AaBb. Examine the figures below and answer the questions that follow:
1. How many different types of cells are produced at the end of Meiosis I? A *Write your answer as a word, not a number
2. Is there any other way you could have arranged the chromosomes? For example,
a. Could A and a be arranged so that both go to the same cell after Metaphase I (Yes/No)? B
b. Could B and b be arranged so that both go to the same cell after Metaphase I (Yes.No)? C
c. Could A and B be arranged so that both go to the same cell after Metaphase I (Yes/No)? D
d. Could A and b be arranged so that both go to the same cell after Metaphase I?(Yes./No) E
3. Are the daughter cells haploid, or diploid? F
4. Do the daughter cells have the same genetic composition as the original cell (Yes/No)? G
5. Focus on the four daughter cells…
Chapter 10 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
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. 2CCCh. 10.2 - Prob. 3CCCh. 10.2 - WHAT IF? A certain eukaryote lives as a...Ch. 10.3 - WHAT IF? After the synaptonemal complex...Ch. 10.4 - Prob. 1CCCh. 10.4 - WHAT IF? If maternal and paternal chromatids have...Ch. 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 - DRAW ITThe diagram shows a cell in meiosis. (a)...Ch. 10 - Prob. 7TYUCh. 10 - SCIENTIFIC INQUIRY The diagram in question 5...Ch. 10 - Prob. 9TYUCh. 10 - Prob. 10TYUCh. 10 - Prob. 11TYU
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- Sketch a comparison of Metaphase Mitosis and Metaphase I Meiosis (diploid:8 chromosomes n=4) - Be sure to number the chromosomes and use a “P” for paternal and “M” for maternal.arrow_forwardLook at the chromosomes in the cell nucleus below, then mark the following statements true or false. A 1. C and D are sister chromatids False + 2. E and G are identical in sequence - True + 3. A and B are homologous to each other - True + 4. During crossing-over in meiosis, B and C could recombine and produce a chromosome with new allele combinations False + 5. Given the state of the chromosomes, what is probably about to happen? Fertilizationarrow_forwardCan someone help with this question?arrow_forward
- Consider the true diploid plant cell (2n=4) below. The paternally derived blue chromosomesare of two types, metacentric and acrocentric. These chromosomes contain the same gene pattern andstructural features as the maternally derived purple chromosomes. Consider two genes A and B whichare found on the metacentric and acrocentric chromosome pairs, respectively. Assume the father passedon A and B alleles, and the mother passed on a and b alleles. a. Show the possible loci of these genes (specify alleles) on the image. Label both sister chromatids in each chromosome. (Note: Sister chromatids are products of replication.)b. Draw the four possible gametes formed after meiosis assuming there was no crossing over. Label the gene loci.arrow_forwardThis diagram shows a parental cell going through meiosis and producing 4 daughter cells. Which cll mutation.) Meiosis I HC D Mejosis I E |G (n) (n) (n) Gametes (n) O B, C, and D are genetically identical. O C, E, and Fare genetically identical. D, G, and H are genetically identical. O E, F, G, and H are genetically identical. O All of the cells, B through H, are genetically identical. None of the cells, B through H, are genecally identical. All the cells in the diagram are genetically different from each other. H)arrow_forwardShow what you know: Meiosis and Sexual Reproduction What is independent assortment during meiosis 1? if two individuals mate, and each is capable of producing over 8 million potential gametes, the random chance of any one sperm and egg coming together is a product of these two probabilities - some 70 trillion different combinations of chromosomes in a potential offspring O a process where a single cell divides twice to produce four cells containing half the original amount of genefic information O homologous pairs of chromosomes line up in random orientations at the middle of the cell as they prepare to separate O swapping of genetic material 1 3 4 Support I Schoology Blog I PRIVACY POLICY | Terarrow_forward
- use the image to answer these two questions - draw all possible metaphase I arrangements that would occur if this cell were undergoing meiosis. be sure to label the alleles as shown above -draw all possible gametes that will result from this cell undergoing meiosis. again, be sure to label the alleles (there should be EIGHT total possbilities, please draw ALL of them)arrow_forwardWe say that genes that are close together on the same chromosome are linked. What does that mean? Imagine that in a diploid nucleus, one chromosome has the allele R and right next to it on the same chromosome is the allele T for a different gene. Are these linked? Imagine that r is right next to t on the homologous chromosome. If this cell never undergoes meiosis, does this matter at all? If it does undergo meiosis, what are the two genotypes that the gametes are most likely to have? Look at Figure for help if you need it.arrow_forward[Select] part (2) part (1) none of these part (4) all of these (parts 1-4) part (3) Earrow_forward
- One difference between meiosis I and meiosis Il is that Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a chromosomes line up along the equatorial plane only in meiosis I. b cell division occurs only after meiosis II. homologous chromosomes separate in meiosis I; sister chromatids C separate in meiosis II. d chromosomes move toward opposite spindle poles only in meiosis II. DNA synthesis occurs prior to meiosis I; DNA is degraded during e meiosis II.arrow_forwardAnswer below is wrong:arrow_forwardVISUALIZE Sketch a series of diagrams showing each of the following, making sure to end each series with haploid cells: (a)How a pair of alleles for a single locus segregate in meiosis (b)How the alleles of two unlinked loci assort independently in meiosis (c)How the alleles of two linked loci undergo genetic recombinationarrow_forward
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