Homework Answers
a) This type of chromosomal aberration is called inversion more specifically pericentric inversion where one break has occurred on each arms of the chromosome.
b) This type of chromosomal aberration is called deletion, where a portion of chromosome is removed.
c) This type of chromosomal aberration is called inversion more specifically paracentric inversion where two breaks have occurred on the same centromere arm of the chromosome.
d) This type of chromosomal aberration is called duplication where a region of the chromosome is present in more than one copy on the chromosomal arm.
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The
normal sequence of genes and centromeres for a particular
chrosomose is
The normal sequence of...
The normal sequence of nine genes on a certain Drosophila chromosome is 123456789, where the dot...
The normal sequence of nine genes on a certain Drosophila chromosome is 123456789, where the dot represents the centromere. Some fruit flies were found to have aberrant chromosomes. For each of the aberrant chromosomes below, determine the type of chromosomal rearrangement and how the aberrant chromosome would synapse (align) with a normal chromosome during meiosis. 123.458769 is a . During meiosis 123 . 46789 is an . During meiosis 1654 • 32789 is a . During meiosis 123.4566789 is a...
. help please QUESTION 1 1 points Save Answer The normal sequence of genes on a...
.
help please
QUESTION 1 1 points Save Answer The normal sequence of genes on a certain Drosophia chromosome is 123-45678, where the dot represents the centromere some trut les were found to have aberrant chromosomes with the following structures: Name each type of chromosomal abnormality a) 12347658 Par centri inversion b. Pericentre inversion Deletion d. Translation QUESTION 2 1 points Save Answer The normal sequence of genes on a certain Drosophia chromosome is 123-45678where the dot represents the centromere....
A normal chromosome has the following sequence: L M N O o P Q R S...
A normal chromosome has the following sequence: L M N O o P Q R S T (o = centromere). Name the type of chromosomal aberration present in each of the following chromosomes which arose from the original sequence shown above, being as specific as possible. Then draw how the chromosomes line up during meiosis L O o P Q R S T: L M N O o P Q R S T: L M N Q P o O...
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...
Modeling Mitosis and Meiosis Across 2. A structure consisting of microtubule fibers and associated proteins. 3....
Modeling Mitosis and Meiosis Across 2. A structure consisting of microtubule fibers and associated proteins. 3. Gametes contain one copy of each chromosome or one full set (n) and are considered 7. A specialized type of cell division that produces gametes 10. The division of the cytoplasm. 12. Reproductive cells that transmit genes Down 1. Location on chromosomes where microtubules bind during spindle formation. 2. All cells of the body except gametes. 4. Since humans have two full sets of...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes in new cells to half the number in the original cell. The parent cell is diploid (2n), and it begins meiosis with a replicated set of chromosomes. During meiosis, this parent cell Homologou will divide twice to create four haploid (1n) cells. pairs During prophase I of meiosis I, homologous pairs of chromosomes pair up and stick together to form tetrads through the process...
1. Draw TWO PAIRS of metacentric homologous chromosomes as they would appear, if they could be...
1. Draw TWO PAIRS of metacentric homologous chromosomes as they would appear, if they could be seen, during of the cell cycle. Indicate centromeres with a small circle. For one pair of homologs, place the allele on one chromosome and the allele a on the other chromosome. For the other pair of homologs place the allele on one chromosome and the alleleb on the other chromosome. 2. Draw the same chromosomes as they would appear at the end of prophase...
3) The diploid cells of A. roksiki have a total of 4 chromosomes (2n=4). One of...
3) The diploid cells of A. roksiki have a total of 4 chromosomes (2n=4). One of the homologous pairs is large with an acrocentric centromere and the other is small with a metacentric centromere. A. Draw the chromosomes from A. roksiki as they would appear in metaphase 2 of meiosis. Include all cells and all chromosomes. Assume meiosis is proceeding normally and ignore any effects of crossing over. (6 pts) B. A strain of A. roksiki is heterozygous for a...
word bank: animals/ bacteria/ centromeres /circular /euchromatin /fungi /heterochomatin / gene density / gene size /...
word bank: animals/ bacteria/ centromeres /circular /euchromatin /fungi /heterochomatin / gene density / gene size / genome size / linear /LINEs / LTR elements / microsatellites / p / plants / q / SINEs / telomeres /virus QUESTION 1 Which organism have the smallest size (fewest basepairs) of genome? QUESTION 2 Which organisms can have the largest size (most basepairs) of genome? QUESTION 3 The majority of bacterial genome are stored on a ________ chromosome. QUESTION 4 All eukaryotic genomes...
2. (5 PTS) You are presented with a patient, named Gerry, who has Down syndrome (trisomy 21). You determine that the no...
2. (5 PTS) You are presented with a patient, named Gerry, who has Down syndrome (trisomy 21). You determine that the nondisjunction event occurred in his mother, named Mary, during meiosis I. a. You are interested in the TPTE gene, which is near the centromere of chromosome 21. Virtually no recombination occurs between the centromere and the TPTE gene. Mary has two different alleles of the TPTE gene. Would Gerry's two chromosome 21s from his mother have the same or...
The normal sequence of nine genes on a certain Drosophila chromosome is 123456789, where the dot represents the centromere. Some fruit flies were found to have aberrant chromosomes. For each of the aberrant chromosomes below, determine the type of chromosomal rearrangement and how the aberrant chromosome would synapse (align) with a normal chromosome during meiosis. 123.458769 is a . During meiosis 123 . 46789 is an . During meiosis 1654 • 32789 is a . During meiosis 123.4566789 is a...
.
help please
QUESTION 1 1 points Save Answer The normal sequence of genes on a certain Drosophia chromosome is 123-45678, where the dot represents the centromere some trut les were found to have aberrant chromosomes with the following structures: Name each type of chromosomal abnormality a) 12347658 Par centri inversion b. Pericentre inversion Deletion d. Translation QUESTION 2 1 points Save Answer The normal sequence of genes on a certain Drosophia chromosome is 123-45678where the dot represents the centromere....
A normal chromosome has the following sequence: L M N O o P Q R S T (o = centromere). Name the type of chromosomal aberration present in each of the following chromosomes which arose from the original sequence shown above, being as specific as possible. Then draw how the chromosomes line up during meiosis L O o P Q R S T: L M N O o P Q R S T: L M N Q P o O...
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...
Modeling Mitosis and Meiosis Across 2. A structure consisting of microtubule fibers and associated proteins. 3. Gametes contain one copy of each chromosome or one full set (n) and are considered 7. A specialized type of cell division that produces gametes 10. The division of the cytoplasm. 12. Reproductive cells that transmit genes Down 1. Location on chromosomes where microtubules bind during spindle formation. 2. All cells of the body except gametes. 4. Since humans have two full sets of...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes in new cells to half the number in the original cell. The parent cell is diploid (2n), and it begins meiosis with a replicated set of chromosomes. During meiosis, this parent cell Homologou will divide twice to create four haploid (1n) cells. pairs During prophase I of meiosis I, homologous pairs of chromosomes pair up and stick together to form tetrads through the process...
1. Draw TWO PAIRS of metacentric homologous chromosomes as they would appear, if they could be seen, during of the cell cycle. Indicate centromeres with a small circle. For one pair of homologs, place the allele on one chromosome and the allele a on the other chromosome. For the other pair of homologs place the allele on one chromosome and the alleleb on the other chromosome. 2. Draw the same chromosomes as they would appear at the end of prophase...
3) The diploid cells of A. roksiki have a total of 4 chromosomes (2n=4). One of the homologous pairs is large with an acrocentric centromere and the other is small with a metacentric centromere. A. Draw the chromosomes from A. roksiki as they would appear in metaphase 2 of meiosis. Include all cells and all chromosomes. Assume meiosis is proceeding normally and ignore any effects of crossing over. (6 pts) B. A strain of A. roksiki is heterozygous for a...
2. (5 PTS) You are presented with a patient, named Gerry, who has Down syndrome (trisomy 21). You determine that the nondisjunction event occurred in his mother, named Mary, during meiosis I. a. You are interested in the TPTE gene, which is near the centromere of chromosome 21. Virtually no recombination occurs between the centromere and the TPTE gene. Mary has two different alleles of the TPTE gene. Would Gerry's two chromosome 21s from his mother have the same or...
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