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TLS Online TPP Program

#Question id: 26346

Choose the correct statement

#Unit 2. Cellular Organization
  1. Intercalation of ethidium bromide first introduces the negative supercoils and then introduces positive supercoils
  2. Intercalation of ethidium bromide first introduces the negative supercoils and then removes positive supercoils
  3.  Intercalation of ethidium bromide first removes the negative supercoils and then removes positive supercoils
  4. Intercalation of ethidium bromide first removes the negative supercoils and then introduces positive supercoils.
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TLS Online TPP Program

#Question id: 12693

#Unit 8. Inheritance Biology

A panel of cell lines was created by human-mouse cell line hybridization. Each line was examined for the presence of  human chromosome and for the gene production. The following result were obtained;
On the basis of these results, which chromosome has the gene  that encodes the enzyme ?
TLS Online TPP Program

#Question id: 12694

#Unit 8. Inheritance Biology

A panel of cell lines was created by human—mouse somatic-cell hybridization. Each line was examined for the presence of human chromosomes and for the production of an enzyme. The following results were obtained: 

On the basis of these results, which chromosome has the gene that encodes the enzyme? 
TLS Online TPP Program

#Question id: 12695

#Unit 8. Inheritance Biology

A panel of cell lines was created by human—mouse somatic-cell hybridization. Each cell line was examined for the presence of human chromosomes and for the production of three enzymes. The following results were obtained: 

On the basis of these results, give the chromosomal locations of the genes encoding enzyme 1, enzyme 2, and enzyme 3. 
TLS Online TPP Program

#Question id: 12696

#Unit 8. Inheritance Biology

The following is a schematic representation of region of the chromosome of fly along with extent of six deletions (Del 1 to Del 6); 
When flies homozygous for the recessive mutations are crossed with flies heterozygous for the deletions, the following results are obtained, in which "m" represents a mutant phenotype and a plus sign (+) represents the wild type. On the basis of these data, determine the relative order of the seven mutant eenes on the chromosome. 
TLS Online TPP Program

#Question id: 12702

#Unit 8. Inheritance Biology

Some given characteristics features of Cytoplasmic inheritance, which of the following statements are not follow the inheritance pattern;
a) Cytoplasmic gene and their trait present in both male and female
b) Reciprocal cross results aren’t change
c) Exhibit extensive phenotypic variation
d) Reciprocal cross results are change
e) Mendel’s principle of segregation and independent assortment are follow
TLS Online TPP Program

#Question id: 12703

#Unit 8. Inheritance Biology

In the plants, due to mutation in the mitochondrial genome causing cytoplasmic male sterility can be influenced by the nuclear gene (Rf),  which is dominant over the cytoplasmic mitochondrial genome. If a male sterile plant  is pollinated by the fertile male plant with homozygous (Rf)condition, the progeny obtained in F1 will have