Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 16.2, Problem 1CC
Summary Introduction
To determine:
The number of ways in which the three pairs of homologous chromosomes (each present on a different chromosome) align themselves during metaphase I, and also determine the types of gamete that can be produced.
Introduction:
Mendel gave three different laws to explain inheritance, namely, the law of dominance, the law of segregation and the law of independent assortment. According to the law of independent assortment, genes coding for a particular trait segregates independently during the formation of gametes.
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Meiosis DrawingIn this assignment you will track and draw the chromosomes of a diploid organism through all the stages of meiosis. Make sure you label the alleles for genes on the chromosomes the whole way through - every chromatid should have labeled alleles. For meiosis, both crossing over and independent assortment can occur. For the purpose of this exercise, assume that there is a single crossover event on the long chromosome between the A and D genes. Only show crossing over after its fully occured. There are no crossover events on the short chromosome. Regarding independent assortment, there are two possible outcomes in meiosis if there are two homologous pairs of chromsomes. Include both independent assortment possibilities - one on the left side and one on the right. Fill in the possible gamete genotypes for each outcome. If you do this correctly you should end up with 8 different types of gametes.
Chapter 16 Solutions
Biology
Ch. 16.1 - Prob. 1CCCh. 16.1 - Prob. 2CCCh. 16.1 - Prob. 3CCCh. 16.1 - Prob. 4CCCh. 16.1 - Prob. 5CCCh. 16.1 - Mendels Laws of Inheritance Concept Check: What...Ch. 16.2 - Prob. 1BCCh. 16.2 - Prob. 2BCCh. 16.2 - Prob. 1CCCh. 16.3 - Prob. 1CC
Ch. 16.3 - Prob. 2CCCh. 16.4 - Prob. 1CCCh. 16.4 - Prob. 1EQCh. 16.4 - Prob. 2EQCh. 16.4 - Prob. 3EQCh. 16.5 - Prob. 1CCCh. 16 - Prob. 1TYCh. 16 - During which phase of nuclear division does the...Ch. 16 - Prob. 3TYCh. 16 - Which of Mendels laws cannot be observed in a...Ch. 16 - During a __________blank, an individual with the...Ch. 16 - Prob. 6TYCh. 16 - Prob. 7TYCh. 16 - A hypothetical flowering plant species produces...Ch. 16 - Genes located on a sex chromosome are said to be...Ch. 16 - Prob. 10TYCh. 16 - Prob. 1CQCh. 16 - A cross is made between individuals having the...Ch. 16 - Core Concept: Systems We can view life as a...Ch. 16 - Discuss the principles of the chromosome theory of...Ch. 16 - When examining a human pedigree, what patterns do...
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- Meiosis DrawingIn this assignment you will track and draw the chromosomes of a diploid organism through all the stages of meiosis. Make sure you label the alleles for genes on the chromosomes the whole way through - every chromatid should have labeled alleles. For meiosis, both crossing over and independent assortment can occur. For the purpose of this exercise, assume that there is a single crossover event on the long chromosome between the A and D genes. Only show crossing over after its fully occured. There are no crossover events on the short chromosome. Regarding independent assortment, there are two possible outcomes in meiosis if there are two homologous pairs of chromsomes. Include both independent assortment possibilities - one on the left side and one on the right. Fill in the possible gamete genotypes for each outcome. If you do this correctly you should end up with 8 different types of gametes. Image attached for genotypes and alleles. Give me a full explaination of each of…arrow_forwardA woman with normal chromosomes mates with a man who also has normal chromosomes. Q.Suppose that, in the course of oogenesis, the woman’s sex chromosomes undergo nondisjunction in meiosis I; the man’s chromosomes separate normally. Give all possible combinations of sex chromosomes that this couple’s children might inherit and the number of Barr bodies that you would expect to see in each of the cells of each child.arrow_forwardPlz asaparrow_forward
- please help?arrow_forwardDistinguishing Meiosis I from Meiosis I| How do you know what is meiosis I and what is meiosis II? Here are some hints to help you determine how to identify if a cell is undergoing meiosis I or meiosis II. • In prophase l and metaphase I, the chromosomes are found in their homologous pairs. In prophase Il and metaphase ll, there are single duplicated chromosomes. • In anaphase l and telophase I, the chromosomes are duplicated (shaped like Xs). In anaphase ll and telophase II, the chromosomes are not duplicated. Take a look at the picture, and then answer the questions How many chromosomes will be in the gamete produced when this cell has finished meiosis? O 1 О 4 O 2 O 3 O 6arrow_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
- Can you guys complete this diagram for me? The instructions are “To draw the chromosomes when appropriate and separate the chromosome pairs or the chromatids at the correct stages. The two long chromosomes are a homologous pair and the two short chromosomes are a homologous pair (the thickness of the line indicates which parent the chromosomes cane from-thin for mom and thick for dad. Note that you have only one of each thickness with each homologous pair. Feel free to use a color scheme instead of thickness as you draw, but you need to keep one long and one short chromosome the same color and the second long and short chromosomes a second color so that crossing over can be visualized easily.”arrow_forwardunderstand how my sex cells were formed and as to how some properly segregated to enhance phenotypically my appearance. I have learned from this module that meiasig, lik osis, is preceded by the duplication of genetic materials which happens in (1) MOa mitosis and meiosis is that in meiosis, the cell divides (2) us chomaou The significant difference between to form genetically unique daughter cells. The first meiotic division, (4) starts with the condensation of duplicated genetic materials forming (3). darkly – staining finite bodies called (5) followed by the pairing of these condensed bodies known as (6)_ They were paired up based on their (7) Each homologous pair is known as (8). because the pair itself is composed of four sister chromatids. The process of pairing is followed by the blending of genetic materials for each homologous pair. This process is called (9) and due to this process, you inherit some of the traits coming from your parents. After this process, the homologous…arrow_forwardSelect two that apply. Which of the following generate genetic diversity in meiosis? homologous chromosomes are separated during anaphase II homologous chromosomes align individually during metaphase II O bivalents align independently from other bivalents during metaphase I sister chromatids exchange genetic material during prophase I homologous chromosomes exchange genetic material during prophase I meiosis goes through two rounds of divisionarrow_forward
- . Four of the following events are part of both meiosis andmitosis, but only one is meiotic. Which one? (1) Chromatidformation, (2) spindle formation, (3) chromosome condensation, (4) chromosome movement to poles, (5)synapsis.arrow_forwardhelp fill in pleasearrow_forward. A redwood tree, Sequoia sempervirens is hexaploid with a total of 66 chromosomes. Considering this, how many chromosomes did the tree inherit from each of its parents? How many chromosomes can be expected to be in each of its gametes? How many chromosomes are likely to be in each somatic cell of the tree's offspring?arrow_forward
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