Question:
Three genes x, y, and z are located on a chromosome in a linear order. If the recombination frequencies between x and y is 0.15, and between y and z is 0.10, then the expected frequency of double crossovers is __________(rounded off to three decimal places).
Three genes x, y, and z are located on a chromosome in a linear order. If the recombination frequencies between x and y is 0.15, and between y and z is 0.10, then the expected frequency of double crossovers is __________(rounded off to three decimal places).
Updated On: Jan 9, 2025
Hide Solution
Verified By Collegedunia
Correct Answer: 0.015
Solution and Explanation
The frequency of double crossovers is the product of individual recombination frequencies:
Double crossover frequency\( = 0.15 × 0.10 = 0.015.\)
Was this answer helpful?
0
0
Top Questions on Genetics
If a heterozygous tall plant (Tt) is crossed with a dwarf plant (tt), what will be the phenotypic ratio of the offspring?
- Assertion (A): When the two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations is much higher than non-parental type.
Reason (R): Higher parental gene combinations can be attributed to crossing over between two genes. Study the cross given below:
Identify the abnormalities ‘1’ and ‘2’ in the offsprings of a cross done between a couple and distinguish between them.- Assertion (A): One of the properties of genetic code is degeneracy.
Reason (R): Some amino acids can be coded by more than one codon. - Assertion (A): A bioreactor provides the optimal conditions for achieving the desired product by providing optimum growth conditions.
Reason (R): The most commonly used bioreactors are of stirring type.
View More Questions
Questions Asked in IIT JAM BT exam
- Consider an enzyme that follows simple Michaelis-Menten kinetics, and has a $ 𝐾_𝑀 of 5 µ𝑀$. The initial velocity of the reaction will be 10% of the maximum velocity at a substrate concentration of µ𝑀 (rounded off to two decimal places).
- IIT JAM BT - 2024
- Enzyme kinetics
- Ammonia is synthesized in the Haber process in the following reaction.
$𝑁_2 (𝑔) + 3𝐻_2 (𝑔) → 2𝑁𝐻_3(𝑔)$
The temperature above which the reaction becomes spontaneous is __________ 𝐾 (rounded off to one decimal place).
($\bigtriangleup 𝐻^0 = −92.2 𝑘𝐽, \bigtriangleup 𝑆^0 = −199 𝐽𝐾^{ −1}$ ) - A cylinder contains 50 𝐿 of an ideal gas at a pressure of 50 𝑎𝑡𝑚. Assuming that the temperature remains unchanged, the volume of the gas at 1 𝑎𝑡𝑚 is __________ 𝐿 (rounded off to the nearest integer).
- IIT JAM BT - 2024
- Gas Laws
- Ionic character of the covalent bonds in the compounds Cl2, HCl, NaCl, NaF follows the order
- IIT JAM BT - 2024
- Chemical bonding and molecular structure
- A box of mass 20 𝑘𝑔 is pulled at constant speed across a floor by a rope. The rope makes an angle of 45° with the horizontal. Assuming that friction is negligible, the work done in pulling the box by a distance of 20 𝑚 is _____ 𝐽 (rounded off to the nearest integer). (Use $𝑔 = 9.8 𝑚𝑠^{−2}$)
- IIT JAM BT - 2024
- Friction
View More Questions