1) given the following sequence of genes on a chromosome, determine what change in chromosome structure...
1) given the following sequence of genes on a chromosome, determine what change in chromosome structure occurred. the asterisk indicates the centromere
before: A B C D * E F G H
after: A C D * E F G H
a) inversion b) gene duplication c) terminal deletion d) interstitial deletion
2) given the following sequence of genes on a chromosome, determine what change in chromosome structure occurred. the asterisk indicates the centromere
before: A B C D * E F G H
after: A B G F E * D C H
a) paracentric inversion b) pericentric inversion c) gene duplication d) reciprocal translocation
Homework Answers
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1) given the following sequence of genes on a chromosome,
determine what change in chromosome structure...
You are following 4 genes (A, B, C, D) on the same chromosome. The genotype of...
You are following 4 genes (A, B, C, D) on the same chromosome. The genotype of a heterozygote, displaying the correct gene order, is shown below. ABCD/abcd Compared to the heterozygote above, what has happened in the following: ABCBCD/abcd Answer 1Choose...Duplication of a chromosomal region/Inversion of a chromosomal region/Translocation of a chromosomal region/Reciprocal translocation/Deletion of a chromosomal region ABCABCD/abcd Answer 2Choose...Duplication of a chromosomal region/Inversion of a chromosomal region/Translocation of a chromosomal region/Reciprocal translocation/Deletion of a chromosomal region ABCD/adcb Answer...
Practice Problems 7: Chromosome Variation in Structure 1. A petunia is heterozygous for the following inversion...
Practice Problems 7: Chromosome Variation in Structure 1. A petunia is heterozygous for the following inversion of chromosome 1 (the dot is the centromere): A a b B C D • E C F f G g e d a. Is this a paracentric or pericentric inversion? b. Draw the pairing configuration at prophase l including all 4 chromatids. c. Give the genotypes of the gametes from this meiosis if there is a single cross-over between genes D and E,...
Heterozygosity for which of the following chromosome rearrangements will produce a dicentric bridge as a result...
Heterozygosity for which of the following chromosome rearrangements will produce a dicentric bridge as a result of crossover in meiosis? See Section 10.5 (Page 381) Large duplication Paracentric inversion Reciprocal translocation Pericentric inversion Submit Request Answer Which type of chromosome alteration results in the formation of a tetravalent (cross-like) structure at synapsis? See Section 10.5 (Page 381). O O Pericentric inversion Large duplication Paracentric inversion Reciprocal balanced translocation O Submit Request Answer Which type of chromosome rearrangement results in the...
Consider two non-homologous chromosomes whose normal sequence of segments and centromere locations are shown here. What...
Consider two non-homologous chromosomes whose normal sequence of
segments and centromere locations are shown here. What kind of
changes are these? I think it's a translocation and i cannot tell
what the second one is.
Question 7: (2 points) Consider two non-homologous chromosomes whose normal sequences of segments and centromere locations are shown here. Chromosome 1 A B C D E F G H Chromosome 2 O R . S T U V Determine the type (or types) of chromosomal...
Denne Balanced, unbalanced r ome o How does it happen? Type of structural change Deletion .....
Denne Balanced, unbalanced r ome o How does it happen? Type of structural change Deletion .. What is the consequence of What happens to this this in somatic cells? chromosome in mitosis? What happens to US chromosome in melis? What is the consequence of this in offspring? Duplication Insertion Inversion Pericentric Paracentric Translocation Simple/isolated Reciprocal Robertsonian
A series of chromosomal rearrangements take place on a chromosome over time. The initial chromosome gene...
A series of chromosomal rearrangements take place on a chromosome over time. The initial chromosome gene sequence is: RNA • EGR (• = centrosome) What is the final gene sequence, and where is the centrosome? Note: this is one problem, listed below is the order that it is supposed to go in. a. There is a tandem duplication E. b. There is a pericentric inversion of the segment from A to G. c. There is a reverse duplication of the...
1. A flower is heterozygous for the following inversion of chromosome 1 (dot=centromere) A B C ...
1. A flower is heterozygous for the following inversion of chromosome 1 (dot=centromere) A B C ● D E F G a b e d ● c f g a. Is this a paracentric or pericentric inversion? I am thinking Pericentric? b. Draw the pairing configuration at prophase I including all 4 chromatids. I wasnt too sure how to map the loop out for this one c. Give the genotypes of the gametes from this meiosis if there is a...
Please answer #19-21, explain and clearly indicate which # you are answering! Thank you in advance!...
Please answer #19-21, explain and clearly indicate which # you are answering! Thank you in advance! 19. The c-abl gene is normally located on chromosome 9, and the bcr gene on chromosome 22. The abnormal fusion of these two genes resulting from a _______________ event is one of the leading causes of chronic myelogenous leukemia. A. paracentric inversion B. pericentric inversion C. non-reciprocal translocation D. reciprocal translocation E. duplication 20. A genetic counselor at a fertility clinic is assessing the...
Genetics DEFGHIJKL 1. A normal chromosome has the following gene sequence: ABC centromere An inversion heterozygote...
Genetics
DEFGHIJKL 1. A normal chromosome has the following gene sequence: ABC centromere An inversion heterozygote has the following inverted gene sequence: ABJIHGFED-centromere CKL What would be the product if a crossover occurred between genes H and I on one inverted and one normal chromosome? (1 point) 2. A normal chromosome has the following gene sequence: AB centromere CDEFGHIJKL An inversion heterozygote has the following inverted gene sequence: AB-centromere CDJIHGFEKL What would be the product if a crossover occurred between...
Which of the following do not cause chromosome loop to form during synapsis during meiosis? A:...
Which of the following do not cause chromosome loop to form during synapsis during meiosis? A: Heterozygous inversion B: Heterozygous deletion C: Heterozygous duplication D: Heterozygous reciprocal translocation E: None of the above OO
Practice Problems 7: Chromosome Variation in Structure 1. A petunia is heterozygous for the following inversion of chromosome 1 (the dot is the centromere): A a b B C D • E C F f G g e d a. Is this a paracentric or pericentric inversion? b. Draw the pairing configuration at prophase l including all 4 chromatids. c. Give the genotypes of the gametes from this meiosis if there is a single cross-over between genes D and E,...
Heterozygosity for which of the following chromosome rearrangements will produce a dicentric bridge as a result of crossover in meiosis? See Section 10.5 (Page 381) Large duplication Paracentric inversion Reciprocal translocation Pericentric inversion Submit Request Answer Which type of chromosome alteration results in the formation of a tetravalent (cross-like) structure at synapsis? See Section 10.5 (Page 381). O O Pericentric inversion Large duplication Paracentric inversion Reciprocal balanced translocation O Submit Request Answer Which type of chromosome rearrangement results in the...
Consider two non-homologous chromosomes whose normal sequence of
segments and centromere locations are shown here. What kind of
changes are these? I think it's a translocation and i cannot tell
what the second one is.
Question 7: (2 points) Consider two non-homologous chromosomes whose normal sequences of segments and centromere locations are shown here. Chromosome 1 A B C D E F G H Chromosome 2 O R . S T U V Determine the type (or types) of chromosomal...
Denne Balanced, unbalanced r ome o How does it happen? Type of structural change Deletion .. What is the consequence of What happens to this this in somatic cells? chromosome in mitosis? What happens to US chromosome in melis? What is the consequence of this in offspring? Duplication Insertion Inversion Pericentric Paracentric Translocation Simple/isolated Reciprocal Robertsonian
Genetics
DEFGHIJKL 1. A normal chromosome has the following gene sequence: ABC centromere An inversion heterozygote has the following inverted gene sequence: ABJIHGFED-centromere CKL What would be the product if a crossover occurred between genes H and I on one inverted and one normal chromosome? (1 point) 2. A normal chromosome has the following gene sequence: AB centromere CDEFGHIJKL An inversion heterozygote has the following inverted gene sequence: AB-centromere CDJIHGFEKL What would be the product if a crossover occurred between...
Which of the following do not cause chromosome loop to form during synapsis during meiosis? A: Heterozygous inversion B: Heterozygous deletion C: Heterozygous duplication D: Heterozygous reciprocal translocation E: None of the above OO
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