Campbell Biology, Volume 2 - With Access (Custom)
14th Edition
ISBN: 9781269750028
Author: Reece
Publisher: PEARSON
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Chapter 13, Problem 9TYU
SCIENTIFIC INQUIRY The diagram in quest ion 6 represents just a few of the chromosomes of a meiotic cell in a certain person. Assume 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.
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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.
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.
In experiment of following chromosomal DNA movement through meiosis, Blue have 44 chromosomes in every cell. Determibne how many chromosomes you would expect to find in the following:
a. sperm cell
b. egg cell:
c. Daughter Cell from mitosis:
d. Daughter cell from Meiosis ll:
Chapter 13 Solutions
Campbell Biology, Volume 2 - With Access (Custom)
Ch. 13.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 13.1 - How does an asexually reproducing eukaryotic...Ch. 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 - 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 - Compare the life cycles of animals and plants,...Ch. 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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- Question: Hand draw meiosis (I and II). Start with 2 pairs of homologous chromosomes. Chromosomes in each pair should look the same BUT should be distinctly different from the other pair of chromosomes.arrow_forwardSupposed mitotic and meiotic had never evolve. What do you think would have been the consequences? What would happen during anaphase and anaphase 1 in individual possing an odd number of chromosomes?arrow_forwardExplain in your own words how errors in mitosis could lead to the formation of cancerous cells as an organism (humans in particular for our focus) ages, and why errors in meiosis would not.arrow_forward
- Phases of meiosis Prophase I DNA coils tightly to form visible chromosomes which appear rod-shaped. Each chromosome is made up of two strands of DNA. One strand of a double-stranded chromosome is known as a chromatid. The sister chromatids are held together by a region called the centromere. Nuclear membrane dissolves. In animal cells, a pair of centrioles (not visible on these slides) separate and with their newly formed asters (visible) move to each pole. Homologous chromosomes pair up. These pairs are called tetrads because there are two chromosomes, but four DNA molecules. Crossing-over occurs.arrow_forwardPhases of meiosis Prophase I a) DNA coils tightly to form visible chromosomes which appear rod-shaped. Each chromosome is made up of two strands of DNA. One strand of a double-stranded chromosome is known as a chromatid. The sister chromatids are held together by a region called the centromere. b) Nuclear membrane dissolves. c) In animal cells, a pair of centrioles (not visible on these slides) separate and with their newly formed asters (visible) move to each pole. d) Homologous chromosomes pair up. These pairs are called tetrads because there are two chromosomes, but four DNA molecules. Crossing-over occurs.arrow_forwardCell is the basic entity of life. Zygotes after going through several multiplications give rise to organism. In view of genetic concepts will you unveil the mechanism how it become the large organism also highlight the variation creation machinery in production of meiotic productarrow_forward
- *Consider a diploid organism with three non-homologous chromosomes* Which image best depicts a cell in Metaphase 2 of meiosisarrow_forwardIn meiosis, we talk about the daughter cells having half the chromosomes of the parent cell. Choose the option that best describes what is happening to end up with half the number of chromosomes in the daughter cells. Question 8Answer a. All of the chromosomes are chemically cut in half so the daughter cells get the top or the bottom half of each of the chromosomes. b. Each daughter cell has one chromosome from each of the homologous pairs found in the parent cell. c. Each daughter cells gets a random set of chromosomes that add up to half the number of chromosomes as the parent cells had..arrow_forwardI do not how to answer question a from my biology packet. EXAMPLE 2: The parents in the family above produce another son, this time with two Y chromosomes and normal tooth enamel. In which parent did the nondisjunction occur? Explain and/or illustrate. Did nondisjunction occur at meiosis I or II? Explain and/or illustrate. What sex chromosomes are in the child’s somatic cells?arrow_forward
- Draw the stages of MEIOSIS. Start with two pairs of homologous chromosomes (this is how many PAIRS of chromosomes the somatic cell would have). Start with the END OF G2, then continue with the different stages of MEIOSIS, and then finish with the BEGINNING of G1.arrow_forward19. Consider the data below to answer item 19. What information can be provided in the column for meiosis? A. 4 - n or haploid B. 4 - 2n or diploid C. 2 - 2n or diploid D. 2 - n or haploidarrow_forwardWhich statement below best describes the overall function of meiosis 2? A. Separates homologous chromosomes prior to cell division B. Separate sister chromatids prior to cell division C. Independently arranges homologous chromosomesarrow_forward
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