Homework Answers
Transposon are transferranle elements which can move to a new location in the genome and they are found to be associated with chromosomal rearrangements like deletions, insertions and duplications. There are two possible mechanisms reported for this activity
1. Indirectly by homologous recombination: The rearrangement presents multiple similar in genome between which the strand transfer occurs.
2. Directly by alternative transposition process: Transposable elements come from separate elements rather than one element.
In which chromosome are there extra copies? And is the cell of this chromosome male or...
In which chromosome are there extra copies? And is the cell of this chromosome male or female?
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) If the egg with two copies of chromosome 21 were fertilized by a normal sperm...
1) If the egg with two copies of chromosome 21 were fertilized by a normal sperm how many copies of chromosome 21 would there be in the zygote? 2) How many copies of chromosome 21 would there be in each cell in the embryo that developed from this zygote?
a) What problems can result from each of these types of chromosome rearrangements? (SHOW WORK &...
a) What problems can result from each of these types of chromosome rearrangements? (SHOW WORK & EXPLAIN) b) Give examples of human aneuploidies including which chromosome has an extra copy, the name of the resulting syndrome, symptoms, incidence and life expectancy. (SHOW WORK & EXPLAIN) c) Define continuous characteristic, polygenic characteristic, pleiotropy and multifactorial characteristic.
Explain why a mutation in only one of two copies of a proto-oncogene in a diploid...
Explain why a mutation in only one of two copies of a proto-oncogene in a diploid cell can promote the development of cancer (5 points), whereas both copies of a tumor-suppressor gene need to be mutated to do likewise (5 points).
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...
You are making an artificial eukaryotic chromosome, and you plan to add two copies of this...
You are making an artificial eukaryotic chromosome, and you plan to add two copies of this chromosome to the nucleus of a diploid yeast cell. What characteristics would you include in the chromosome to make sure that the chromosome pair is (a) properly replicated and (b) passed to each daughter cell during cell division of the yeast? What characteristics could you add to the chromosome to increase the rate of DNA replication?
The technique known as 'chromosome painting' in which a single chromosome is painted a unique fluorescent...
The technique known as 'chromosome painting' in which a single chromosome is painted a unique fluorescent color by base pairing it to labelled pieces of complementary Various chromosome rearrangements such as deletion, duplication, inversion, and translocation of these which of these rearrangements would show up as multicolored chromosomes?
What is a diploid cell? One that has two copies of each chromosome – one from...
What is a diploid cell? One that has two copies of each chromosome – one from mom and one from dad. A cell that carries the mutation for Cystic Fibrosis. Another term for a sperm or egg cell. A cell that carries only one copy of the X chromosome
Name and draw a picture to describe these different types of mutations/chromosomal rearrangements. Assume this is...
Name and draw a picture to describe these different types of mutations/chromosomal rearrangements. Assume this is happening in a haploid organism with 3 unique chromosomes. a.) The number of all chromosomes increases by one. b.) A mutation decreases the amount of genetic material for a portion of one chromosome. c.) Two different chromosomes fuse to form one new chromosome. d.) A mutation removes a copy of a single chromosome. e.) Which of the above events is likely to have the...
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...
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