Homework Answers
Ans 6. Centromere is the specialized DNA sequence of a chromosome the helps in linking of sister chromatids. It is having a highly repetitive DNA sequence clones. For example alpha satellites within human centromere are tandemly repeated sequences to form a block of satellite called a higher order repeat. In most eukaryotes, a large arrays of repetitive DNA forms the Centromere.
So the correct option is they are simple repeat sequence.
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Question 6 When examining centromere sequences for a specific eukaryote one finds: All the chromosomes have...
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...
13. What are TWO of the insights Watson and Crick had with respect to the structure...
13. What are TWO of the insights Watson and Crick had with respect to the structure of DNA? a. DNA is a double-stranded helix held together by A:T or C:G base pairs b. DNA is a helix and has A:T or C:G base pairs c. DNA is a double-stranded helix and the amount of A=T and of G=C d. DNA has two strands in opposite orientation and the amount of A=T and of G=C 14. Griffith's experiment injecting a mixture...
5. Quantitative trait loci(QTL) are: The loci that contribute all of the variation in a continuous...
5. Quantitative trait loci(QTL) are: The loci that contribute all of the variation in a continuous trait The loci that contribute all of the genetic variation in a continuous trait The loci that contribute the broad-sense heritability in a continuous trait The loci that contribute the narrow-sense heritability in a continuous trait 6. We looked at a study where Drosophila flies were selected for phototaxis (either attracted to or repelled by light). This experiment measures how much genetic variation existed...
1. Describe one experiment that can test the hypothesis that DNA replication is semi conservative. Describe...
1. Describe one experiment that can test the hypothesis that DNA replication is semi conservative. Describe the results of this experiment if replication was conservative. And if it was distributive? 2. What type of chemical bond contributes to the specificity of base paring in the DNA? Are there any other chemical or physical factors in the structure o f the DNA molecule contributing to the thermodynamic stability of the DNA? 3. List the m ajor differences between DNA and RNA....
only one answer per question QUESTION 6 In a DNA molecule, what type of bond helds...
only one answer per question QUESTION 6 In a DNA molecule, what type of bond helds together the two antiparallel strands of nucleotide chains? a peptide bonds. b polar covalent bonds. c ionic bonds. d hydrogen bonds. e complementary base pairing bonds. QUESTION 7 Who proposed the double helix model? a Watson and Crick. b Griffith. c Avery. d Franklin. e Beadle and Tatum. QUESTION 8 Which of the following enzymes removes the primers used for DNA replication? a...
Questions 9-12 deal with SSR loci in Sam's genome. Remember that SSRs (simple sequence repeats) are...
Questions 9-12 deal with SSR loci in Sam's genome. Remember that SSRs (simple sequence repeats) are tandem (next to each other) repeats of short sequences (a few bp). Such tandem repeats are located at specific sites scattered throughout the genome. Individuals vary in the number of repeats at each site sites can have up to 100 repeats. Each locus with the same repeats is called an SSR ocus DNA was extracted from Sam's white blood cells and cut with a...
please help and thank you Materials Needed per class: 1 box of 24 microscope slides of...
please help and thank you
Materials Needed per class: 1 box of 24 microscope slides of meiosis 1 1 box of 24 microscope slides of meiosis 2 red and yellow popbead chromosome kits Objectives To become familiar with the process of meiosis and to be able to identify the principal phases of meiosis To understand how the process of meiosis is similar to mitosis and how it differs from mitosis Introduction The genetic information of a cell is encoded in...
please answer as much of the questions as you can and not only one question: 1....
please answer as much of the questions as you can and not only
one question:
1. What is the pseudoautosomal region?
The region on the Y chromosome where the male-determining gene
is found
The region on the X chromosome where the female-determining gene
is found
A region on the Y chromosome where the gene, when mutated,
causes androgen insensitivity syndrome
A region at which the X and Y chromosomes both have copies of
the same genes
A region at which...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of Meiosis 1) To simulate synapsis, take the two homologous pairs of lona chromosomos and place one on top of the other. Do the same with the #2, medium length chromosomes and then the # 3 , short chromosomes., Fill in the sketch for PROPHASE 1 below, illustrating synapsis. Even though crossing over occurs in nature, DO NOT add CROSSING OVER to your sketch. After...
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from...
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from this species was found with chromosome 1 has blue gene on one pair and orange gene on the other. Number 2chromosomes both have the short gene. As cells in her ovaries undergo meiosis, which of the following combinations of genes and chromosomes will her eggs have? A) only blue short gene eggs OB) only orange short gene eggs OC) one half blue short and...
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...
13. What are TWO of the insights Watson and Crick had with respect to the structure of DNA? a. DNA is a double-stranded helix held together by A:T or C:G base pairs b. DNA is a helix and has A:T or C:G base pairs c. DNA is a double-stranded helix and the amount of A=T and of G=C d. DNA has two strands in opposite orientation and the amount of A=T and of G=C 14. Griffith's experiment injecting a mixture...
Questions 9-12 deal with SSR loci in Sam's genome. Remember that SSRs (simple sequence repeats) are tandem (next to each other) repeats of short sequences (a few bp). Such tandem repeats are located at specific sites scattered throughout the genome. Individuals vary in the number of repeats at each site sites can have up to 100 repeats. Each locus with the same repeats is called an SSR ocus DNA was extracted from Sam's white blood cells and cut with a...
please help and thank you
Materials Needed per class: 1 box of 24 microscope slides of meiosis 1 1 box of 24 microscope slides of meiosis 2 red and yellow popbead chromosome kits Objectives To become familiar with the process of meiosis and to be able to identify the principal phases of meiosis To understand how the process of meiosis is similar to mitosis and how it differs from mitosis Introduction The genetic information of a cell is encoded in...
please answer as much of the questions as you can and not only
one question:
1. What is the pseudoautosomal region?
The region on the Y chromosome where the male-determining gene
is found
The region on the X chromosome where the female-determining gene
is found
A region on the Y chromosome where the gene, when mutated,
causes androgen insensitivity syndrome
A region at which the X and Y chromosomes both have copies of
the same genes
A region at which...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of Meiosis 1) To simulate synapsis, take the two homologous pairs of lona chromosomos and place one on top of the other. Do the same with the #2, medium length chromosomes and then the # 3 , short chromosomes., Fill in the sketch for PROPHASE 1 below, illustrating synapsis. Even though crossing over occurs in nature, DO NOT add CROSSING OVER to your sketch. After...
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from this species was found with chromosome 1 has blue gene on one pair and orange gene on the other. Number 2chromosomes both have the short gene. As cells in her ovaries undergo meiosis, which of the following combinations of genes and chromosomes will her eggs have? A) only blue short gene eggs OB) only orange short gene eggs OC) one half blue short and...
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