Collectively, chromosomes 1-5 may be referred to asSelect one:OA. HomologuesOB. GametesOC. Sister chromatidsOD. AutosomesKaryotype of Drosophila melanogaster(common fruit fly)6 15 11 55 1xy1236 15 11 65123xx(04135}}5

Name: Collectively, chromosomes 1-5 may be referred to asSelect one:OA. Hom
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Description: Collectively, chromosomes 1-5 may be referred to asSelect one:OA. HomologuesOB. GametesOC. Sister chromatidsOD. AutosomesKaryotype of Drosophila melanogaster(common fruit fly)6 15 11 55 1xy1236 15 11 65123xx(04135}}5

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each…

Answered: 9 Collectively, chromosomes 1-5 may be…

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9 Collectively, chromosomes 1-5 may be referred to as elect one: Karyotype of Drosophila melanogaster (common fruit fly) xy XX 15 11 55 1 2 3 (1 4 68 15 11 55 10 1 2 3 4 }} 5

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations

Section: Chapter Questions

Problem 14QP: Variations in Chromosome NumberAneuploidy Describe the process of nondisjunction and explain when it...

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A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. 1. What is the haploid number of this organism? 2. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.
2n = 2 pairs of G1 SG2 homologous chromosomes Skip prophase I, do not draw crossing over Metaphase I Draw nondisjunction happen to 21 Anaphase | Metaphase II Anaphase II Telophase II & egg formation 2n = 2 pairs of G1 G2 homologous chromosomes 14 S Skip prophase I, do not draw crossing over Metaphase I Draw nondisjunction happen to 21 Anaphase I Metaphase II Anaphase II Telophase II & egg formation Label which chromosome of mono/trisomy. Which zygotes are aborted? G2 G1 ос old & Zygote formation, add a normal sperm cell to each egg below OOOO
A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.
An inversion heterozygote has the following inverted chromosome: Centromere ca a a A B CD JI HGF E, KL M Inverted region If a crossover occurred between genes H and I on one inverted and one normal chromosome, what would be the sequence of the dicentric chromosome before completion of metaphase I? A Cen B C D EFGHIJKL Cen M A Cen B C D JIHGFEKLM Cen JIH G F E Cen A Cen B C D JIHGFEDC B Cen A MLKEFGHIJKLM
For each of the terms in the left column, choose thebest matching phrase in the right column.a. reciprocal translocation 1. lacking one or morechromosomes or having oneor more extra chromosomesb. gynandromorph 2. movement of short DNAelementsc. pericentric 3. having more than two completesets of chromosomesd. paracentric 4. exact exchange of parts of twononhomologous chromosomese. euploids 5. excluding the centromeref. polyploidy 6. including the centromereg. transposition 7. having complete sets ofchromosomesh. aneuploids 8. mosaic combination of maleand female tissue
A young couple is planning to have children. Knowing that there have been a substantial number of stillbirths, miscarriages, and fertility problems on the husband’s side of the family, they see a genetic counselor. A chromosome analysis reveals that, whereas the woman has a normal karyotype, the man possesses only 45 chromosomes and is a carrier of a Robertsonian translocation between chromosomes 22 and 13. Q. What types of zygotes will develop when each of gametes produced by the man fuses with a normal gamete produced by the woman?
A somatic cell has the genotype DdEe. All chromosomes in this organism are metacentric. Show metaphase and the results of mitosis if the D and E locus are linked on the same chromosome in trans configuration. A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. 2.1. What is the haploid number of this organism? 2.2. Using diagrams show a ceii at metaphase of mitosis and show the results of mitosis.
in the experiment of following chromosomal dna mvement througgh meiosis, why. do you use non-sister chromatids to demobstrate crossing over? what combinatiobns of alleles could result from a crossover between BD and bd chromosomes? Identify two ways that meiosis contributes to genetic recombination. Why is it necessary to reduce the number of chromosomes in gametes, but not in other cell?
Two chromosomes have the ff. order of genes: Normal A B centromere C D E F G H I Abnormal a b centromere g f e d c h i a. Does the abnormal chromosome have a pericentric or paracentric inversion? Why? b. Draw a sketch to show how these two chromosomes (duplicated) would pair during synapsis. Assume a CO will occur between genes E and F. What gametes are ultimately formed at the end of telophase II and describe.
During a practical, a group of biology students are tasked to study the cell cycle of an insect. This insect has the karyotype 2n=6, with genotype Ff Gg Hh KK. The students must draw a cell at the end of telophase of mitosis, using red lines for maternal chromosomes, blue lines for paternal chromosomes and black dots to represent centromeres. The drawing provided by the students is shown below. kt a) Identify three mistakes the students made when producing this diagram. In your answer only refer to elements already present in the figure. b) This fly is used in a testcross. What is the probability of producing a fly with genotype ff Gg hh Kk?
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 Xa. Draw the pairing arrangement of these chromosomes in prophase 1 of meiosis. Mention their gametic composition. b. Draw the alternate, adjacent I, and adjacent II segregation patterns in anaphase I of meiosis. Mention their gametic composition.
Somatic cells in organisms of a particular diploidplant species normally have 14 chromosomes. Thechromosomes in the gametes are numbered from 1through 7. Rarely, zygotes are formed that containmore or fewer than 14 chromosomes. For each of thezygotes below, (i) state whether the chromosomecomplement is euploid or aneuploid; (ii) provideterms that describe the individual’s genetic makeupas accurately as possible; and (iii) state whether ornot the individual will likely develop through theembryonic stages to make an adult plant, and if so,whether or not this plant will be fertile.a. 11 22 33 44 5 66 77b. 111 22 33 44 555 66 77c. 111 222 333 444 555 666 777d. 1111 2222 3333 4444 5555 6666 7777