For parts a, b and c, draw a diagram illustrating the alleles on homologous chromosomes for...
For parts a, b and c, draw a diagram illustrating the alleles on homologous chromosomes for the following genotypes, assuming in each case that the genes reside on the same chromosome in the order written. For parts d and e, give the information requested.
a. AB/ab
b. aBc/abC
c. DFg/DFG
d. The gametes produced by an organism with genotype Rt/rT
e. Progeny of the cross Rt/rT x rt/rt
Homework Answers
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For parts a, b and c, draw a diagram illustrating the alleles on
homologous chromosomes for...
1) An organism has 2n = 6 chromosomes with alleles A B / a b on...
1) An organism has 2n = 6 chromosomes with alleles A B / a b on the chromosome 1 homologous pair, alleles D / d on the chromosome 2 homologous pair, alleles E F / e f on the chromosome 3 homologous pair. Show two different ways that chromosomes could align at the metaphase plate during Meiosis I (show the chromosomes and alleles). Assume no crossing over. How many combinations of chromosomes are possible in the gametes? Please show me...
1. Suppose one gene has alleles A and a. Remember that most organisms are diploid; i.e.,...
1. Suppose one gene has alleles A and a. Remember that most organisms are diploid; i.e., they contain homologous chromosomes with identical genes, although the alleles may be different on each homologue. Gametes, on the other hand, are haploid, containing only one of the two homologues, and thus only one of the two alleles. The genotype of an organism is its genetic constitution, i.e., the alleles present. For each of the following diploid genotypes, indicate the possible genotypes...
The following figure shows a cell containing a pair of homologous chromosomes. The alleles for the...
The following figure shows a cell containing a pair of
homologous chromosomes. The alleles for the F gene are indicated on
each chromosome. Which of the following most accurately represents
the configuration of chromosomes within the cell following DNA
replication, prior to meiosis?
Select one:
a.
b.
c.
d.
Which term is used to describe a pair of similar chromosomes in
a cell:
Select one:
a. bifurcates
b. homologous
c. chromatids
d. replicants
Which of the following statements is TRUE...
1. (2 pts) Homologous chromosomes a. come from different parents b. have the same genes c....
1. (2 pts) Homologous chromosomes a. come from different parents b. have the same genes c. may have different alleles d. have very similar DNA sequences e. all of the above f. none of the above 2. (3 pts) List the three ways that sexual reproduction increases the genetic variability of a population more than does asexual reproduction. 3. (2 pts) An organism has six independent (unlinked) genes and the following genotype: aaBbDdEEffag. How many different gametes could this organism...
question b-f please thank you 12:52 PM Mon Apr 13 78% B06 Draw a diagram to...
question b-f please thank you
12:52 PM Mon Apr 13 78% B06 Draw a diagram to represent the equational division of meiosis for a diploid organism with three heterologous chromosomes. One acrocentric, one metacentric and one telocentric. The diagram should show the chromosomes as you'd expect to see them during metaphase. The organism is trihybrid and heterozygous for dominant and recessive alleles at three different loci. Locus A is on the telocentric chromosome. Locus B is on the metacentric chromosome....
genetics problem. need help with both questions and drawings are helpful. thank u. Question 11) (7 points) Consider 10 genes on different chromosomes in a diploid organism. An individual is homozy...
genetics problem. need help with both questions and drawings
are helpful. thank u.
Question 11) (7 points) Consider 10 genes on different chromosomes in a diploid organism. An individual is homozygous for 6 genes and heterozygous for 4 genes. Among a large population of gametes from that individual, how many different genotypes do you predict would be present? Question 12) (6 points) There are several genes in humans in addition to the I gene (for ABO blood group) that generate...
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Nameindulia Los Drosophila Genetics Predictions-L113 (20 pts.) Part I. Meiosis and Punnett Squares Remember, whenever you use Punnett Squares to solve genetics problems, be sure you are completing each of the following steps: 1) Identify the genotypes of the parents. 2) For the specific traits of interest, figure out what kinds of haploid gametes each parent can make. In each gamete, there should be one allele for each trait of interest. If there is more than one trait, make sure...
Here are data from crossing a phenotypically wild-type female Drosophila (tly) F1 The Y and A...
Here are data from crossing a phenotypically wild-type female Drosophila (tly) F1 The Y and A genes are dosely linked on the same chromosome. In this cross, which of the following is true about the gametes produced by the F1 progeny 2 pt YYAA X Yaa YyAa A. YA & Ya gametes will outnumber YA & ya gametes. B. YA & ya gametes will outnumber yA & Ya gametes. C.YA. Ya, YA, & xa gametes will be present in equal...
can someone please help me with this ? Practice Using a Punnett Square. Punnett Squares are...
can someone please help me with this ?
Practice Using a Punnett Square. Punnett Squares are tools to identify outcomes known genotypes. They can be used to help infer probabilities of genotypes and from a particular cross. of possible crosses between individuals of phenotypes amongst offspring lele forms "A" and "a". A woman is heterozygous, so she can produce eggs with Consider a gene with all 9. and Write them across the top of the Punnett Square below the following...
can you please help me with number 4? An example of linked genes in Drosophila The...
can you please help me with number 4?
An example of linked genes in Drosophila The genes for wing shape and body color are linked (they are on the same chromosome) Drosophila and linked genes In the example shown left, wild type alleles are dominant and are given an upper case symbol of the mutant phenotype (Cu or Eb). This notation used for Drosophila departs from the convention of using the dominant gene to provide the symbol. This is necessary...
The following figure shows a cell containing a pair of
homologous chromosomes. The alleles for the F gene are indicated on
each chromosome. Which of the following most accurately represents
the configuration of chromosomes within the cell following DNA
replication, prior to meiosis?
Select one:
a.
b.
c.
d.
Which term is used to describe a pair of similar chromosomes in
a cell:
Select one:
a. bifurcates
b. homologous
c. chromatids
d. replicants
Which of the following statements is TRUE...
1. (2 pts) Homologous chromosomes a. come from different parents b. have the same genes c. may have different alleles d. have very similar DNA sequences e. all of the above f. none of the above 2. (3 pts) List the three ways that sexual reproduction increases the genetic variability of a population more than does asexual reproduction. 3. (2 pts) An organism has six independent (unlinked) genes and the following genotype: aaBbDdEEffag. How many different gametes could this organism...
question b-f please thank you
12:52 PM Mon Apr 13 78% B06 Draw a diagram to represent the equational division of meiosis for a diploid organism with three heterologous chromosomes. One acrocentric, one metacentric and one telocentric. The diagram should show the chromosomes as you'd expect to see them during metaphase. The organism is trihybrid and heterozygous for dominant and recessive alleles at three different loci. Locus A is on the telocentric chromosome. Locus B is on the metacentric chromosome....
genetics problem. need help with both questions and drawings
are helpful. thank u.
Question 11) (7 points) Consider 10 genes on different chromosomes in a diploid organism. An individual is homozygous for 6 genes and heterozygous for 4 genes. Among a large population of gametes from that individual, how many different genotypes do you predict would be present? Question 12) (6 points) There are several genes in humans in addition to the I gene (for ABO blood group) that generate...
Nameindulia Los Drosophila Genetics Predictions-L113 (20 pts.) Part I. Meiosis and Punnett Squares Remember, whenever you use Punnett Squares to solve genetics problems, be sure you are completing each of the following steps: 1) Identify the genotypes of the parents. 2) For the specific traits of interest, figure out what kinds of haploid gametes each parent can make. In each gamete, there should be one allele for each trait of interest. If there is more than one trait, make sure...
Here are data from crossing a phenotypically wild-type female Drosophila (tly) F1 The Y and A genes are dosely linked on the same chromosome. In this cross, which of the following is true about the gametes produced by the F1 progeny 2 pt YYAA X Yaa YyAa A. YA & Ya gametes will outnumber YA & ya gametes. B. YA & ya gametes will outnumber yA & Ya gametes. C.YA. Ya, YA, & xa gametes will be present in equal...
can someone please help me with this ?
Practice Using a Punnett Square. Punnett Squares are tools to identify outcomes known genotypes. They can be used to help infer probabilities of genotypes and from a particular cross. of possible crosses between individuals of phenotypes amongst offspring lele forms "A" and "a". A woman is heterozygous, so she can produce eggs with Consider a gene with all 9. and Write them across the top of the Punnett Square below the following...
can you please help me with number 4?
An example of linked genes in Drosophila The genes for wing shape and body color are linked (they are on the same chromosome) Drosophila and linked genes In the example shown left, wild type alleles are dominant and are given an upper case symbol of the mutant phenotype (Cu or Eb). This notation used for Drosophila departs from the convention of using the dominant gene to provide the symbol. This is necessary...
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