Question
In: Biology
In zebrafish, three genes have been mapped on the third chromosome, in the order fiz---6 m.u.---myob-------14...
In zebrafish, three genes have been mapped on the third chromosome, in the order fiz---6 m.u.---myob-------14 m.u.-------sufi The wild-type allele of each gene is dominant. A strain that is fiz myob sufi / + + + is testcrossed, and there are 1000 offspring fish.
There are 400 wild type offspring.
A) How many fiz + + offspring would you expect to see in these 1000 offspring?
B) How many + + sufioffspring would you expect to see in these 1000 offspring?
Solutions
gladiator answered 1 year agoRelated Solutions
You have three genes on the same chromosome - A, B and C. Each gene has...
You have three genes on the same chromosome - A, B and C. Each
gene has two alleles in a dominant/recessive relationship. For
these genes the homozygous recessive has the mutant phenotype for
that trait, the dominant phenotype = wild type for that trait.
allele A is dominant to a; phenotype a = mutant for trait a;
phenotype A = wild type for trait A
allele B is dominant to b; phenotype b = mutant for trait b;
phenotype B...
You have three genes on the same chromosome - A, B and C. Each gene has...
You have three genes on the same chromosome - A, B and C. Each
gene has two alleles in a dominant/recessive relationship. For
these genes the homozygous recessive has the mutant phenotype for
that trait, the dominant phenotype = wild type for that trait.
allele A is dominant to a; phenotype a = mutant for trait a;
phenotype A = wild type for trait A
allele B is dominant to b; phenotype b = mutant for trait b;
phenotype B...
You have three genes on the same chromosome - A, B and C. Each gene has...
You have three genes on the same chromosome - A, B and C. Each
gene has two alleles in a dominant/recessive relationship. For
these genes the homozygous recessive has the mutant phenotype for
that trait, the dominant phenotype = wild type for that trait.
allele A is dominant to a; phenotype a = mutant for trait a;
phenotype A = wild type for trait A
allele B is dominant to b; phenotype b = mutant for trait b;
phenotype B...
Deletions can be used to map genes along a chromosome. In order to do this a...
Deletions can be used to map genes along a chromosome. In order
to do this a series of crosses in which one parent is homozygous
for a mutant allele is crossed with the other parent that is
homozygous for a partial deletion of the region. The progeny are
scored to determine whether they have the mutant phenotype ("m") or
the wild-type phenotype ("+"). If a mutation falls within the
deletion it will have the "m" phenotype, if it falls outside...
Genes A, B, and C are linked on a chromosome and found in the order A-B-C....
Genes A, B, and C are linked on a
chromosome and found in the order A-B-C. Genes A
and B recombine with a frequency of 9%, and genes
B and C recombine at a frequency of 26%. For the
cross
a +b
+c/abc+ ×
abc/abc,
predict the frequency of progeny. Assume interference is zero.
A) Predict the frequency of a+b+c
progeny.
Enter your answer to four decimal places (example 0.2356 or
0.2300).
B) Predict the frequency of abc+
progeny.
Enter...
Genes A, B, and C are linked on a chromosome and found in the order A-B-C....
Genes A, B, and C are linked on a
chromosome and found in the order A-B-C. Genes A
and B recombine with a frequency of 9%, and genes
B and C recombine at a frequency of 22%. For the
cross
a +b
+c/abc+ ×
abc/abc,
predict the frequency of progeny. Assume interference is zero.
a)Predict the frequency of a+b+c
progeny.
Enter your answer to four decimal places (example 0.2356 or
0.2300).
B) Predict the frequency of abc+progeny.
Enter your answer...
Genes A, B, and C are linked on a chromosome and found in the order A-B-C....
Genes A, B, and C are linked on a chromosome and found in the
order A-B-C. Genes A and B recombine with a frequency of 6%, and
genes B and C recombine at a frequency of 26%. For the cross a + b
+ c/abc + × abc/abc, predict the frequency of progeny. Assume
interference is zero.
a. Predict the frequency of a+b+c
progeny.
b. Predict the frequency of abc+progeny.
c. Predict the frequency of
a+bc+progeny
d. Predict the frequency...
Three recessive genes in dogs are linked on a chromosome. A dog heterozygous for all three...
Three recessive genes in dogs are linked on a chromosome. A dog
heterozygous for all three recessive alleles is crossed with
homozygous for all the recessive alleles in a three-point
testcross.
(a) Determine the order of these genes on the
chromosome and
(b) calculate the map distances between the
genes.
The progeny of the testcross are:
r T
W 324
R t
w 319
R t
W 880
r
T w 887
R T
W 2376
r t w 2365
r t
W 47
R
T w 41
Total 7,239
Genes A, B, and C are located on the same chromosome with following order. Linkage map...
Genes A, B, and C are located on the same chromosome with
following order. Linkage map distances among them are 11cM between
A and B and 34cM between B and C.
1. When two parental genotypes were ABC/abc and abc/abc and
there were 500 offspring, what would be the possible/expected
genotypes and their numbers among the offspring? Assume there was
no interference.
Genes A, B, and C are located on the same chromosome with following order. Linkage map...
Genes A, B, and C are located on the same chromosome with
following order. Linkage map distances among them are 11cM between
A and B and 34cM between B and C.
1. When two parental genotypes were ABC/abc and abc/abc and
there were 500 offspring, what would be the possible/expected
genotypes and their numbers among the offspring? Assume there was
no interference.
1. When I=35%, what would be the numbers of recombinant
phenotypes and parental phenotypes among progenies from the...
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