Homework Answers
Bivalents or tetrads consist of 2 chromosomes and 4 chromatids where as crossing over occours between 2 non sister chromatids(ie between 1chromatid from each chromosome )
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chromatids, and one crossover involves_ chromatids. Crossing-over takes place in bivalents (tetrads) consisting of_ A. 2,2...
During recombination: a.) sister chromatids undergo crossing-over with each other. b.) the synaptonemal complex keeps the...
During recombination: a.) sister chromatids undergo crossing-over with each other. b.) the synaptonemal complex keeps the sister chromatids together until anaphase II. c.) one crossover event occurs for each pair of human chromosomes. d.) chiasmata hold chromosomes together
Crossing over is one of the most important events in meiosis because __. A) homologous chromosomes...
Crossing over is one of the most important events in meiosis because __. A) homologous chromosomes are separated into different daughter cells B) the number of chromosomes allotted to each daughter cell must be halved C)sister chromatids must be separated into different daughter cells D) it produces new arrays of alleles on chromosomes and contributes to genetic diversity
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...
The adol condensation of 2,2-dimethylpropanal (A) with acetophenone (B) gives (E)-4-4-dimethyl-1-phenylpent-2-en-1-one (C) and H20 (D)> Compounds/Ions...
The adol condensation of 2,2-dimethylpropanal (A) with
acetophenone (B) gives (E)-4-4-dimethyl-1-phenylpent-2-en-1-one (C)
and H20 (D)> Compounds/Ions (E-k) are possible reactive
intermediates for this reaction. The energy/ reaction coordinate
diagram for the mechanism below Place the letters for the
reactants, products, and reactive intermediates in their
appropriate place on the diagram.
imethyl-1-phenylpent-2-en- 1-one (C) and H20 (D). Compounds/ions (E-K) are possible reactive intermediates for this reaction. The energy/reaction coordinate diagram for th mechanism of this reaction is given below. Place the...
1. A genetic cross in which the inheritance of two traits is observed is called a...
1. A genetic cross in which the inheritance of two traits is observed is called a A) Dihybrid cross. B) Monohybrid cross C) Backeross D) Testcross 2. For single crossovers, the frequency of recombinant gametes is half the frequency of crossing over because A) A testeross between a homozygous and heterozygote produces 1/2 heterozygous and 1/2 homozygous progeny. B) The frequency of recombination is always 50%. C) Each crossover takes place between only two of the four chromatids of a...
1.33 Electrons in molecules are described by wavefunctions that extend over more than one atom. Consider...
1.33 Electrons in molecules are described by wavefunctions that extend over more than one atom. Consider an electron that is described by a wavefunction that extends over two adjacent carbon atoms. The electron can move freely between the two atoms. The internuclear C-C distance is 139 pm. (a) Using the one-dimensional particle-in-the-box model, calculate the energy required to promote an electron from the n=1 to the n = 2 level, assuming that the length of the box is the same...
2 BIO 302 MIDTERM (CH 7-8) 1 Cause of familial Down syndrome is 2. Gain of...
2 BIO 302 MIDTERM (CH 7-8) 1 Cause of familial Down syndrome is 2. Gain of single chromosome leads to 7 Cotton plant is an example of Triploidy B. Trisomy C.Translocation A Trisomy B. Allopolyploidy C. Amphidiploidy D. Pentaploidy A. Diploidy B.Triploidy C. Tetraploidy D. Trisomy E Monosomy What is "normal chromosome number? 18. What doesn't happen in endopolyploidy'or 3. Diploidy B. Triploidy C. Tetraploidy D. Trisomy EMonosomy 4. Multiple of same genome could be termed as A. Division of...
Name MULTIPLE CHOICE. question. Choose the one alternative that best completes the statement or answers the...
Name MULTIPLE CHOICE. question. Choose the one alternative that best completes the statement or answers the Density-dependent inhibition is explained by which of the following? AAs cells become more numerous, they begin to squeeze against each other, restriting their size and ability to produce growth factors. 1) B) As cells become more numerous, the cell surface proteins of adjacent cells bind to each other and send signals that inhibit cell division. C) As cells become more numerous, the protein kinases...
60 points, Complete javadocs documentation required Be sure to submit all files (.java and dictio...
60 points, Complete javadocs documentation required Be sure to submit all files (.java and dictionary.txt) required to run your program Background Boggle is a word game using a plastic grid of lettered dice, in which players attempt to find words in sequences of adjacent letters. The dice are randomly arranged in the grid, and players have 90 seconds to form as many words as possible from adjacent top-facing letters For example, the word SUPER is spelled in the gameboard to...
need help with this .. From the pages 571-587 attached below. 1a) Suppose a population of...
need help with this ..
From the pages 571-587 attached below.
1a) Suppose a population of guppies was infected with a
parasite. In that population a mutation results in a parasite
resistant genotype that spreads through the population through
natural selection. A subsequent mutation in the parasite results in
a genotype that is unaffected by the newly evolved resistant guppy
genotype. What is the name of the hypothesis that explains this
host parasite “arms race”.?
1b) What is this name...
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...
The adol condensation of 2,2-dimethylpropanal (A) with
acetophenone (B) gives (E)-4-4-dimethyl-1-phenylpent-2-en-1-one (C)
and H20 (D)> Compounds/Ions (E-k) are possible reactive
intermediates for this reaction. The energy/ reaction coordinate
diagram for the mechanism below Place the letters for the
reactants, products, and reactive intermediates in their
appropriate place on the diagram.
imethyl-1-phenylpent-2-en- 1-one (C) and H20 (D). Compounds/ions (E-K) are possible reactive intermediates for this reaction. The energy/reaction coordinate diagram for th mechanism of this reaction is given below. Place the...
1. A genetic cross in which the inheritance of two traits is observed is called a A) Dihybrid cross. B) Monohybrid cross C) Backeross D) Testcross 2. For single crossovers, the frequency of recombinant gametes is half the frequency of crossing over because A) A testeross between a homozygous and heterozygote produces 1/2 heterozygous and 1/2 homozygous progeny. B) The frequency of recombination is always 50%. C) Each crossover takes place between only two of the four chromatids of a...
1.33 Electrons in molecules are described by wavefunctions that extend over more than one atom. Consider an electron that is described by a wavefunction that extends over two adjacent carbon atoms. The electron can move freely between the two atoms. The internuclear C-C distance is 139 pm. (a) Using the one-dimensional particle-in-the-box model, calculate the energy required to promote an electron from the n=1 to the n = 2 level, assuming that the length of the box is the same...
2 BIO 302 MIDTERM (CH 7-8) 1 Cause of familial Down syndrome is 2. Gain of single chromosome leads to 7 Cotton plant is an example of Triploidy B. Trisomy C.Translocation A Trisomy B. Allopolyploidy C. Amphidiploidy D. Pentaploidy A. Diploidy B.Triploidy C. Tetraploidy D. Trisomy E Monosomy What is "normal chromosome number? 18. What doesn't happen in endopolyploidy'or 3. Diploidy B. Triploidy C. Tetraploidy D. Trisomy EMonosomy 4. Multiple of same genome could be termed as A. Division of...
Name MULTIPLE CHOICE. question. Choose the one alternative that best completes the statement or answers the Density-dependent inhibition is explained by which of the following? AAs cells become more numerous, they begin to squeeze against each other, restriting their size and ability to produce growth factors. 1) B) As cells become more numerous, the cell surface proteins of adjacent cells bind to each other and send signals that inhibit cell division. C) As cells become more numerous, the protein kinases...
60 points, Complete javadocs documentation required Be sure to submit all files (.java and dictionary.txt) required to run your program Background Boggle is a word game using a plastic grid of lettered dice, in which players attempt to find words in sequences of adjacent letters. The dice are randomly arranged in the grid, and players have 90 seconds to form as many words as possible from adjacent top-facing letters For example, the word SUPER is spelled in the gameboard to...
need help with this ..
From the pages 571-587 attached below.
1a) Suppose a population of guppies was infected with a
parasite. In that population a mutation results in a parasite
resistant genotype that spreads through the population through
natural selection. A subsequent mutation in the parasite results in
a genotype that is unaffected by the newly evolved resistant guppy
genotype. What is the name of the hypothesis that explains this
host parasite “arms race”.?
1b) What is this name...
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