Figure 3 depicts two diploid cells containing two pairs of homologous chromosomes from a male and female of the same species. The larger chromosomes have different alleles of gene D, and the smaller chromosomes have different alleles of gene E. If the male and female mate, predict the genotype and phenotype of the offspring? Show your cross.

Figure 3 depicts two diploid cells containing two pairs of homologous chromosomes from a male and female of the same species. The larger chromosomes have different alleles of gene D, and the smaller chromosomes have different alleles of gene E. If the male and female mate, predict the genotype and phenotype of the offspring? Show your cross.

Name: Figure 3 depicts two diploid cells containing two pairs of homologous
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Description: Figure 3 depicts two diploid cells containing two pairs of homologouschromosomes from a male and female of the same species. The largerchromosomes have different alleles of gene D, and the smaller chromosomeshave different alleles of gene E. If the

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter20: Chromosomes And Human Genetics

Section: Chapter Questions

Problem 10SQ

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USING TWO DIFFERENT COLORS TO SIGNIFY THE MATERNAL AND PATERNAL CHROMOSOMES, DRAW THE RESPECTIVE CELLS IN EACH LABELED PHASE OF MITOSIS AND MEIOSIS. THE CHROMOSOME NUMBER WILL BE "4" AND SHOULD BE REPRESENTED AS TWO HOMOLOGOUS PAIRS. MAKE SURE YOU USE TWO DIFFERENT SIZES FOR EACH OF THE PAIRS. BELOW EACH PHASE, BRIEFLY DESCRIBE WHAT HAPPENS. MITOSIS ΜEIOSIS I MEIOSIS II Crossing over needs to be illustrated ACCURATE CELL NUMBER IS NEEDED МЕТАРНАSE ΑΝΑΡHASE МЕТАРНASEI ANAPHASE I МЕТАРНАSE II ANAPHASE II
Jeff's spermatogonium (precursor sperm cell before meiosis) looks like the cell on the left (only four chromosomes are shown. Assume all the other chromosomes behaved normally). After meiosis, Jeff makes a sperm that looks like the cell on the right. Assume the A/a and F/f genes are near the centromere where crossing over is suppressed. When did a nondisjunction event occur to create this sperm?
Page 1 of 1 USING TWO DIFFERENT COLORS TO SIGNIFY THE MATERNAL AND PATERNAL CHROMOSOMES, DRAW THE RESPECTIVE CELLS IN EACH LABELED PHASE OF MITOSIS AND MEIOSIS. THE CHROMOSOME NUMBER WILL BE "4" AND SHOULD BE REPRESENTED AS TWO HOMOLOGOUS PAIRS. MAKE SURE YOU USE TWO DIFFERENT SIZES FOR EACH OF THE PAIRS. BELOW EACH PHASE, BRIEFLY DESCRIBE WHAT HAPPENS. MITOSIS MEIOSIS I Crossing over needs to be illustrated in one of the homologous pairs and carried through the remaining drawings METAPHASE ANAPHASE METAPHASE I MEIOSIS II Accurate number of cells are needed ANAPHASE I METAPHASE II ANAPHASE II
Draw a haploid mitosis of the genotype a+ ; b.
Draw a diagram that illustrates how these chromosomes pair up during Metaphase I of Meiosis. Be sure to include all chromosomes, chromatids, genes, and centromeres in your diagram.
Draw a Punnett square for the dihybrid cross. There are two known alleles of gene occupying a specific locus in the X chromosome. The gene in question codes for a transcription factor involved in digit development. The mutant allele is dominant and gives rise to an additional but non-functioning little finger (polydactyly) on both hands. A couple have had their DNA sequenced at the region of interest, the male exhibits polydactyly because of the mutation, the female is homozygous wild type at the same locus and therefore has the wild type phenotype. Both have green eyes. In this story; eye colour shows a monogenic autosomal inheritance pattern and the allele for brown eyes shows incomplete dominance with that for blue eyes, the heterozygote phenotype is green eyes. The genes for eye colour and polydactyly show no linkage.
Figure 1. Showing a homologous pair of chromosomes that carry two linked genes. Here we can see that one chromosome carries A and Balleles, while the other homologous chromosome carries a and b alleles. This is much more informative than just giving the genotype of AaBb. Another way to symbolize the arrangement of alleles on a chromosome is to give the symbols for alleles on one chromosome above a horizontal line, and the symbols for the alleles on the homologous chromosome below the horizontal line. For example: A Figure 2. Showing the arrangement of alleles for a pair of linked genes. Here we can see that, exactly like the example in Figure 1, one chromosome carries A and B alleles, while the other chromosome carries a and b alleles. 1. Suppose that Gene G and Gene D are linked. If the genotype of an organism is GGDD, use both types of symbols you learned in Figure 1 and Figure 2 above to show the arrangement of alleles for this organism.
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.”
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.
In Figure 4-3, would there be any meiotic products thatdid not undergo a crossover in the meiosis illustrated? Ifso, what colors would they be in the color conventionused?
An individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B • C D E F G A B • C D V W X R S • T U E F G R S • T U V W X Q. Draw the pairing arrangement of these chromosomes in prophase I of meiosis.
The white spots in this image represent Barr Bodies. The cells are from a Male cell line. What is the sex chromosome complement of this cell line?