Homework Answers
Drosophilla has the same chromosomal patterns as Humans meaning that it follows that XX for female and XY for males. The given information in the question can be used to determine the proportion of phenotypes. Since body colour is X-linked, the allele will be present on the X chromosome. Eye colour is autosomal. Please see image below for details:
P.S Please rate Thumbs Up if you liked it. Thanks.
Add Answer to:
Question 23 2.86/2.86 pts In Drosophila yellow body color is caused by a sex-linked recessive allele...
Please answer the following two questions. Show all your work. Thanks in advance. 9. In Drosophila...
Please answer the following two questions. Show all your work. Thanks in advance. 9. In Drosophila yellow body color is caused by a sex-linked recessive allele and brown eye color is an autosomal recessive trait. A phenotypically normal female fly, heterozygous for both genes, is crossed to a male with normal body color and brown eyes. What proportion of their offspring should have yellow body color and brown eyes? A) 1/16 B) 1/8 C) 1/4 D) 3/16 E) 3/8 ANSWER:...
the fruit fly, Drosophila melanogaster, an allele (v) of the gene vermillion gives flies purple eyes...
the fruit fly, Drosophila melanogaster, an allele (v) of the gene vermillion gives flies purple eyes and is recessive to the wildtype red eye color (v+). An allele y of the yellow gene, gives flies a yellow body color compared to the dominant brown body color (yt). A heterozygous females for the two different mutations is test-crossed with mutant (i.e., homozygous recessive) males. The phenotypes of the progeny of this cross and their corresponding numbers are given below Yellow body,...
EXTRA CREDIT (10 pts) 7) In Drosophila, white eye is an X-linked recessive trait and ebony...
EXTRA CREDIT (10 pts) 7) In Drosophila, white eye is an X-linked recessive trait and ebony body is an autosomal recessive trait. A homozygous white-eyed female (normal body) is crossed with a homozygous ebony male (normal, red eyes). a) What phenotypic ratio do you expect in the F1 generation? Show your work. b) What phenotypic ratio do you expect in the F2 generation? Show your work.
Hemophilia is a sex-linked recessive trait. If a hemophiliac male marries a carrier female, what percent...
Hemophilia is a sex-linked recessive trait. If a hemophiliac male marries a carrier female, what percent of their daughters will have hemophilia? The gene for yellow body color in Drosophila is recessive and sex-linked. Its dominant allele b+ produces wild-type body color while the recessive allele, b- produces yellow body color in homozygous individuals. List the phenotypes and genotypes of the progeny from the following matings: a. yellow female x wild-type male b. wild-type (carrier) female x wild-type male c....
In Drosophila, a cross between triply abnormal females with the X-linked recessive traits yellow bodies (y),...
In Drosophila, a cross between triply abnormal females with the X-linked recessive traits yellow bodies (y), echinus bristles (ec), and white eyes (w) and phenotypically normal males produces phenotypically normal F1 females. These F1 females are then testcrossed, and 1000 offspring occur as follows: Body Bristles Eyes number normal normal normal 447 yellow echinus white 442 yellow normal normal 18 normal echinus white 17 yellow normal white 28 normal echinus normal 33 normal normal white 8 yellow echinus normal 7...
A cross in Drosophila involved the recessive, X-linked genes yellow (y), white (w), and cut (ch....
A cross in Drosophila involved the recessive, X-linked genes yellow (y), white (w), and cut (ch. A yellow-bodied, white-eyed female with normal wings was crossed to a male whose eyes and body were normal but whose wings were cut . The F, females were wild type for all three traits. • The F, males expressed the yellow-body and white-eye traits. The cross was carried to an F2 progeny, and only male offspring were tallied. On the basis of the data...
Questions 64-65 refer to the following. In a plant, axial flower (T) is dominant to terminal...
Questions 64-65 refer to the following. In a plant, axial flower (T) is dominant to terminal flower (t) and red fruit color (Y) is dominant to yellow (y). These effects are caused by two independently assorting autosomal genes. An individual terminal red plant was crossed with an individual axial, yellow plant to produce offspring which were 1/2 axial, red: 1/2 terminal, red. The genotype of the crossed terminal red plant was: ttyy ttYy ttYY TTyy Ttyy In the cross described...
A particular plant has a gene for flower color and a gene for height with the...
A particular plant has a gene for flower color and a gene for height with the following phenotypes: RR: red flower TT: tail Rr, rr: white flower Tt: medium tt: dwarf If two plants (RrTt times RrTt) are crossed, how many phenotypes can be produced in F1? 1 2 4 6 9 Eye color is an autosomal (non-sex) trait. Brown eyes are controlled by a dominant allele, and blue eyes are controlled by a recessive allele. Color blindness is an...
2. Yellow body (y), vermillion eye color (v) and miniature body (m) are recessive X-linked traits...
2. Yellow body (y), vermillion eye color (v) and miniature body (m) are recessive X-linked traits in Drosophila. The order of the genes on the chromosome is y-v-m. The following cross is performed: y v m /y+ v+ m+ (female) X y v m/Y (male) The map distances shown below were generated using 1000 male progeny. y-v - 32.0 cM; y-m - 34.3 cM; v-m - 4.0 cM Which of the following statements is FALSE? The correct answer is B...
The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by an autosomal recessive...
The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by an autosomal recessive mutant allele that independently assorts with an autosomal recessive mutant allele for hairy (h) body. A parental cross was made between a fly that is homozygous for normal wings with a hairy body and a fly with vestigial wings that is homozygous for normal body hair. The wild-type F1 flies were crossed to each other and produced 1536 offspring. The phenotypes of the F2...
the fruit fly, Drosophila melanogaster, an allele (v) of the gene vermillion gives flies purple eyes and is recessive to the wildtype red eye color (v+). An allele y of the yellow gene, gives flies a yellow body color compared to the dominant brown body color (yt). A heterozygous females for the two different mutations is test-crossed with mutant (i.e., homozygous recessive) males. The phenotypes of the progeny of this cross and their corresponding numbers are given below Yellow body,...
EXTRA CREDIT (10 pts) 7) In Drosophila, white eye is an X-linked recessive trait and ebony body is an autosomal recessive trait. A homozygous white-eyed female (normal body) is crossed with a homozygous ebony male (normal, red eyes). a) What phenotypic ratio do you expect in the F1 generation? Show your work. b) What phenotypic ratio do you expect in the F2 generation? Show your work.
Hemophilia is a sex-linked recessive trait. If a hemophiliac male marries a carrier female, what percent of their daughters will have hemophilia? The gene for yellow body color in Drosophila is recessive and sex-linked. Its dominant allele b+ produces wild-type body color while the recessive allele, b- produces yellow body color in homozygous individuals. List the phenotypes and genotypes of the progeny from the following matings: a. yellow female x wild-type male b. wild-type (carrier) female x wild-type male c....
A cross in Drosophila involved the recessive, X-linked genes yellow (y), white (w), and cut (ch. A yellow-bodied, white-eyed female with normal wings was crossed to a male whose eyes and body were normal but whose wings were cut . The F, females were wild type for all three traits. • The F, males expressed the yellow-body and white-eye traits. The cross was carried to an F2 progeny, and only male offspring were tallied. On the basis of the data...
Questions 64-65 refer to the following. In a plant, axial flower (T) is dominant to terminal flower (t) and red fruit color (Y) is dominant to yellow (y). These effects are caused by two independently assorting autosomal genes. An individual terminal red plant was crossed with an individual axial, yellow plant to produce offspring which were 1/2 axial, red: 1/2 terminal, red. The genotype of the crossed terminal red plant was: ttyy ttYy ttYY TTyy Ttyy In the cross described...
A particular plant has a gene for flower color and a gene for height with the following phenotypes: RR: red flower TT: tail Rr, rr: white flower Tt: medium tt: dwarf If two plants (RrTt times RrTt) are crossed, how many phenotypes can be produced in F1? 1 2 4 6 9 Eye color is an autosomal (non-sex) trait. Brown eyes are controlled by a dominant allele, and blue eyes are controlled by a recessive allele. Color blindness is an...
Most questions answered within 3 hours.
-
10.g of a certain metal absorb 40. cal of heat and the temperature
is abserved to...
asked 50 minutes ago -
The time to complete a standardized exam is approximately normal
with a mean of 70 minutes...
asked 31 minutes ago -
Two thousand randomly selected adults were asked whether or not
they have ever shopped on the...
asked 43 minutes ago -
How many milliliters of 0.0695 M Ca( OH)
2would be required to exactly neutralize 176 mL...
asked 1 hour ago -
A telephone survey uses a random digit dialing machine to call
subjects. The random digit dialing...
asked 1 hour ago -
How can having too little or too much of a certain
protein cause problems for an...
asked 3 hours ago -
Assume a muscle has a PCSA = 20 cm2 and Lo = 12 cm. Assume it...
asked 4 hours ago -
What is the yield to maturity of a ten-year, $1,000 bond with a
5.2% coupon rate...
asked 5 hours ago -
A mass m = 5 kg is tied on one end of a rope and is...
asked 5 hours ago -
The Average sales price of single-family houses in Charlotte is
$210,000 with a standard deviation of...
asked 5 hours ago -
Target Costing
Laser Impressions, Inc., manufactures color laser printers.
Model J20 presently sells for $225 and...
asked 5 hours ago -
a bottle cap manufacturer with four machines and six operators
wants to see if variation in...
asked 6 hours ago