JJ KK and jj kk individuals (parents) were crossed to each other, and the F1 were...

JJ KK and jj kk individuals (parents) were crossed to each other, and the F1 were testcrossed to the jj kk parent strain. The resulting offspring were: 999 Jj Kk : 999 jj kk : 1 Jj kk : 1 jj Kk. How would the testcross progeny ratios differ if the parents were JJ kk and jj KK instead?

Multiple Choice

>9 Jj Kk : >1 jj kk : <3 Jj kk : <3 jj Kk
1 Jj Kk : 1 jj kk : 999 Jj kk : 999 jj Kk
They would not change.
1 Jj Kk : 1 jj kk : 1 Jj kk : 1 jj Kk
9 Jj Kk : 3 jj kk : 3 Jj kk : 1 jj Kk
<9 Jj Kk : <1 jj kk : >3 Jj kk : >3 jj Kk

Expert Solution

The answer is 1 Jj Kk : 1 jj kk : 999 Jj kk : 999 jj Kk

---------------------------------------------------------------------------------------------------------------------------------------------

Irrespective of the genes arrangement (it may be either cis or trans configuration), the recombination pertage is constant.

The parental genotypes i.e. JJ KK and jj kk indicates that the F1 is in cis configuration for theese genes J and K. so, the genotype of the F1 is JK // jk. While testcrossing parental combinations segreagtes in high frequency so, JK//jk and jk//jk are high and recombinants segregates low in frequencyes so Jk//jk and jK//jk appear low in frequency.

The high frequency categories with 999 frequecy indiacates the parentl categories and low frequency categories with 1 frequency indicates recombinant categories.

But, in JJ kk and jj KK case, the F1 will be in Trans configuration... find the below image for answer and explanation...

gladiator answered 1 year ago

AABB and aabb individuals were crossed to each other, and the F1 generation was backcrossed to...

AABB and aabb individuals were crossed to each other, and the F1 generation was backcrossed to the aabb parent. 993 AaBb, 995 aabb, 5 Aabb, and 7 aaBb offspring resulted. a. How far apart are the a and b loci? b. What progeny and in what frequencies would you expect to result from testcrossing the F1 generation from a AAbb X aaBB crosss to aabb? c. In a typical meiosis, how many crossovers occur between genes A and B? d....

. AABB and aabb individuals were crossed to each other, and the F1 generation was backcrossed...

. AABB and aabb individuals were crossed to each other, and the F1 generation was backcrossed to the aabb parent. 850 AaBb, 950 aabb, 105 Aabb, and 95 aaBb offspring resulted. a. How far apart are the a and b loci? b. What progeny and in what frequencies would you expect to result from testcrossing the F1 generation from a AAbb x aaBB crosss to aabb? c. In a typical meiosis, how many crossovers occur between genes A and B?...

A. A plant of genotype CCdd is crossed to ccDD. An F1 of that cross is...

A. A plant of genotype CCdd is crossed to ccDD. An F1 of that cross is testcrossed to ccdd. If the genes are unlinked, the percentage of C_D_ progeny of that cross will be _____% B. A plant of genotype CCdd is crossed to ccDD. An F1 of that cross is testcrossed to ccdd. If the genes are so tightly linked that no recombination occurs between them, the percentage of C_D_ progeny of that cross will be _____%

The following graph displays four supply curves (HH, II, JJ, and KK) that intersect at point A.

The variety of supply curves The following graph displays four supply curves (HH, II, JJ, and KK) that intersect at point A.Using the graph, complete the table that follows by indicating whether each statement is true or false. Statement True FalseBetween points A and B, curve II is perfectly inelastic. Curve KK is more elastic between points A and C than curve JJ is between points A and D. Between points A and D, curve JJ is inelastic.

InventiveInventive Soy Products (Upper KKSP) buys soybeans and processes them into other soy products. Each ton...

InventiveInventive Soy Products (Upper KKSP) buys soybeans and processes them into other soy products. Each ton of soybeans that Upper KKSP purchases for $ 250$250 can be converted for an additional $ 210$210 into 700700 lbs of soy meal and 100100 gallons of soy oil. A pound of soy meal can be sold at splitoff for $ 1.04$1.04 and soy oil can be sold in bulk for $ 4$4 per gallon. Upper KKSP can process the 700700 pounds of soy...

List the possible genotypes of the parents if a cross resulted in a F1-generation consisting of...

List the possible genotypes of the parents if a cross resulted in a F1-generation consisting of 50% white colonies and 50% red colonies: List the possible genotypes of the parents if the cross resulted in a F1-generation consisting of 100% tryptophan independent colonies: c. Give the genotypes and their percentages resulting from a cross between a homozygous independent tryptophan parent and a heterozygous tryptophan independent parent: Following a RrTt x RrTt cross, state the fraction of the offspring predicted to...

Write five rights and five responsibilities of Parents And Children to each other

F1 plants that are medium in height are produced by crossing tall with short parents. When...

F1 plants that are medium in height are produced by crossing tall with short parents. When the F1 plants are self-fertilized, the F2 offspring consist of different heights ranging from short to tall with most plants having some intermediate height. Now you want to further study the genetics of this trait and, for that, you grow the F2 offspring in a field location in the summer of 2019 (all in the same field which is subject to similar conditions and...

In a survey conducted to determine, among other things, the cost of vacations, 64 individuals were...

In a survey conducted to determine, among other things, the cost of vacations, 64 individuals were randomly sampled. Each person was asked to compute the cost of her or his most recent vacation. The sample showed a sample mean of $1810. Assuming that the population standard deviation σ is $600, construct a 90% confidence interval for the average cost of all vacations. (Round your final answer to 3 decimal places).

If the orientation of the mitochondrial ATP synthase were reversed so that the F1 unit were...

If the orientation of the mitochondrial ATP synthase were reversed so that the F1 unit were on the opposite side of the inner mitochondrial membrane, and assuming that nothing else is changed in the cell, what would be the consequences to the cell? Explain in details and use a diagram to support your answer

Question