TLS Online TPP Program

#Question id: 13083


The genomic DNA of an organism is digested with two restriction enzymes; one of the, PstI (CTGCA/G), while the other., MseI (T/TAA). This would generate the following 3 types of DNA fragments: 
(1) both ends cleaved by PstI (Pst-Pst), 
(2) both ends cleaved by MseI (Mse-Mse), and 
(3) one end generated by each of the two enzymes (Pst-Mse). 
the most frequent fragments in decreasing order,

#SCPH28 | Zoology
  1. Pst-Pst > Mse-Mse > Pst-Mse
  2. Mse-Mse > Pst-Mse > Pst-Pst
  3. Pst-Mse > Pst-Pst> Mse-Mse
  4. Mse-Mse > Pst-Pst > Pst-Mse
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TLS Online TPP Program

#Question id: 4737

#SCPH06 I Botany

Two independent pure line varieties having white and green phenotype in their fruit were cross, the all f1 progeny is white fruit. The F2 progeny obtain from selfing show white, yellow and green in ratio of 12:3:1. Which of the following is correct?

TLS Online TPP Program

#Question id: 4737

#SCPH12 I Genetics

Two independent pure line varieties having white and green phenotype in their fruit were cross, the all f1 progeny is white fruit. The F2 progeny obtain from selfing show white, yellow and green in ratio of 12:3:1. Which of the following is correct?

TLS Online TPP Program

#Question id: 4737

#SCPH28 | Zoology

Two independent pure line varieties having white and green phenotype in their fruit were cross, the all f1 progeny is white fruit. The F2 progeny obtain from selfing show white, yellow and green in ratio of 12:3:1. Which of the following is correct?

TLS Online TPP Program

#Question id: 4738

#SCPH01 Biochemistry

Red kernel color in wheat results from the presence of at least one dominant allele of each of two independently segregating genes . Kernels on rr bb plants are white, and the genotypes R— bb and rr B— result in brown kernel color. Suppose that plants of a variety that is true breeding for red kernels are crossed with plants true breeding for white kernels produced F1 were allowed to selfing .what are F2 phenotype ratio ?

TLS Online TPP Program

#Question id: 4738

#SCPH06 I Botany

Red kernel color in wheat results from the presence of at least one dominant allele of each of two independently segregating genes . Kernels on rr bb plants are white, and the genotypes R— bb and rr B— result in brown kernel color. Suppose that plants of a variety that is true breeding for red kernels are crossed with plants true breeding for white kernels produced F1 were allowed to selfing .what are F2 phenotype ratio ?

TLS Online TPP Program

#Question id: 4738

#SCPH12 I Genetics

Red kernel color in wheat results from the presence of at least one dominant allele of each of two independently segregating genes . Kernels on rr bb plants are white, and the genotypes R— bb and rr B— result in brown kernel color. Suppose that plants of a variety that is true breeding for red kernels are crossed with plants true breeding for white kernels produced F1 were allowed to selfing .what are F2 phenotype ratio ?