The recombination distance between two genes is 30 map units. Are the two genes on the...
The recombination distance between two genes is 30 map units. Are the two genes on the same chromosome? How do you know?
Homework Answers
Yes, the two genes are on the same chromosome. The recombination distance tells us the genetic distance between two genes. That's why the two genes are found at the distance of 30 map units on the same chromosome.
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The recombination distance between two genes is 30 map units.
Are the two genes on the...
The recombination distance between two genes is 50 map units. What can you say about the...
The recombination distance between two genes is 50 map units. What can you say about the chromosomal locations of these two genes? Explain your answer.
When determining map distance between two genes that are far apart on the same chromosome, it...
When determining map distance between two genes that are far apart on the same chromosome, it is most accurate to add up the recombination frequencies of genes between the two outside genes because The recombination frequency between the two outside genes will be an over-estimate of the actual distance due to double cross-overs By adding up the smaller distances you can account for MANY of the double cross-overs that occurred between the two closest genes. By adding up the smaller...
1. 2. 13. Which statement explains why the recombination frequency between two genes is always less...
1.
2.
13.
Which statement explains why the recombination frequency between two genes is always less than 50%? Recombination cannot be more than 50% because chromosomes are only 50 map units in length. The genotype of the F, gametes will always be 50% parental gametes and 50% recombinant gametes. Genes with a recombination frequency near 50% are unlinked and have an equal likelihood of being inherited together or separately. F1 gametes always have 50% of their alleles from each parental...
Multiple choice: The measured distance between genes D and E in a two-point testcross is 50...
Multiple choice: The measured distance between genes D and E in a two-point testcross is 50 map units. Where are genes D and E in relation to each other? D and E are on different homologous chromosomes. D and E are on the same chromosome, at least 50 map units apart. D and E are on the same chromosome, exactly 50 map units apart. D and E are on the same chromosome, less than 50 map units apart. A) 1...
Construct a map of the chromosome from the following recombination frequencies between individual pairs of genes:...
Construct a map of the chromosome from the following recombination frequencies between individual pairs of genes: c-f 8%, v-f 12%, s-v 16%, v-c 4%, s-f 6%. solve and explain.
12. What is a map unit? Choose the best answer The physical distance between 2 genes...
12. What is a map unit? Choose the best answer The physical distance between 2 genes on a chromosome, measured in the number of nucleotides (base pairs) between the 2 genes. The distance between 2 genes on a sa le chromosome measured by the % of recombinant-type gametes produced by many individuals e nes) of the same genotype, this is the same as the % of ,ecombinant-type offspring produced in a cross or a double heterozypote with an individual hom...
4. Given the following data, what is the recombination frequency between these genes for squash color...
4. Given the following data, what is the recombination frequency between these genes for squash color (red, yellow) and squash shape (log, oval)? What is the distance between the two genes in centiMorgans (or map units)? For full credit, you must show your work, i.e. how you made your calculations. (4 points) Phenotype Progeny from test cross 44 Red, long Yellow, oval Red, oval Yellow, long Total 100
Required information The recombination frequency between genes that are located on different chromosomes is 50%, a...
Required information The recombination frequency between genes that are located on different chromosomes is 50%, a hallmark of independent assortment. Genes that are located close together on the same chromosome have a recombination frequency less than 50%, which is an indication of linkage. Complete the following questions to investigate recombination frequency between genes that are far apart on the same chromosome. Two genes on the same chromosome may have no crossover (NCO), a single crossover (SCO), or a double crossover...
I know drosophila only has recombination among females. So since 20 map units=20% recombination, I HAVE...
I know drosophila only has recombination among females. So since
20 map units=20% recombination,
I HAVE THE ANSWERS! I need help understanding
why the answers are what they are. PLEASE don't just copy
the answers I will write down
a) 1/2
b) (.1)/(.4)(.1) = 20%
c) 2:1
d)
1/3 w female
1/3 w+ female
1/15 w male
4/15 w+ male
I NEED AN EXPLANATION OF THE ANSWERS. NOT THE ANSWERS
THEMSELVES. THANK YOU IN ADVANCE.
12. A Drosophila female is...
6. The table below gives the recombination rates of genes located on the same chromosome. Genes...
6. The table below gives the recombination rates of genes located on the same chromosome. Genes Rate of recombination a,b 50% ac 15% ad 38% a,e 8% b,c 50% b,d 13% be 50% cd 50% ce 7% d, e 45% Draw the genetic map of this chromosome.
1.
2.
13.
Which statement explains why the recombination frequency between two genes is always less than 50%? Recombination cannot be more than 50% because chromosomes are only 50 map units in length. The genotype of the F, gametes will always be 50% parental gametes and 50% recombinant gametes. Genes with a recombination frequency near 50% are unlinked and have an equal likelihood of being inherited together or separately. F1 gametes always have 50% of their alleles from each parental...
12. What is a map unit? Choose the best answer The physical distance between 2 genes on a chromosome, measured in the number of nucleotides (base pairs) between the 2 genes. The distance between 2 genes on a sa le chromosome measured by the % of recombinant-type gametes produced by many individuals e nes) of the same genotype, this is the same as the % of ,ecombinant-type offspring produced in a cross or a double heterozypote with an individual hom...
4. Given the following data, what is the recombination frequency between these genes for squash color (red, yellow) and squash shape (log, oval)? What is the distance between the two genes in centiMorgans (or map units)? For full credit, you must show your work, i.e. how you made your calculations. (4 points) Phenotype Progeny from test cross 44 Red, long Yellow, oval Red, oval Yellow, long Total 100
Required information The recombination frequency between genes that are located on different chromosomes is 50%, a hallmark of independent assortment. Genes that are located close together on the same chromosome have a recombination frequency less than 50%, which is an indication of linkage. Complete the following questions to investigate recombination frequency between genes that are far apart on the same chromosome. Two genes on the same chromosome may have no crossover (NCO), a single crossover (SCO), or a double crossover...
I know drosophila only has recombination among females. So since
20 map units=20% recombination,
I HAVE THE ANSWERS! I need help understanding
why the answers are what they are. PLEASE don't just copy
the answers I will write down
a) 1/2
b) (.1)/(.4)(.1) = 20%
c) 2:1
d)
1/3 w female
1/3 w+ female
1/15 w male
4/15 w+ male
I NEED AN EXPLANATION OF THE ANSWERS. NOT THE ANSWERS
THEMSELVES. THANK YOU IN ADVANCE.
12. A Drosophila female is...
6. The table below gives the recombination rates of genes located on the same chromosome. Genes Rate of recombination a,b 50% ac 15% ad 38% a,e 8% b,c 50% b,d 13% be 50% cd 50% ce 7% d, e 45% Draw the genetic map of this chromosome.
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