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TLS Online TPP Program

#Question id: 15604

The bacteria which cause septicaemia are fast becoming resistant to the antibiotics used for controlling them. Which one of the following explanations fits best?

#Section 6: Plant, Animal and Microbial Biotechnology
  1. Each and every individual bacterium, in order to survive, develops a resistance to the antibiotic when exposed to it, and passes that resistance on to future generations.
  2. Only some bacteria, in order to survive, develop a resistance to the antibiotic when exposed to it, and pass that resistance on to future generations.
  3. A few bacteria have a natural heritable resistance to the antibiotic, so they survive when exposed to it, and pass that resistance on to future generations.
  4. All the bacteria have a natural heritable resistance to the antibiotic, so they survive when exposed to it, and pass that resistance on to future generations
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TLS Online TPP Program

#Question id: 3604

#Section 3: Genetics, Cellular and Molecular Biology

Genes A, B and C. control three phenotypes which assort independently; A plant with the genotype aaBbCc were cross with AabbCc. What is the probability for progeny which show the dominant phenotype for AT LEAST ONE of the phenotypes controlled by genes A, B and C?
TLS Online TPP Program

#Question id: 3606

#Section 3: Genetics, Cellular and Molecular Biology

Genes A, B and C. control three phenotypes which assort independently; A plant with the genotype Aa Bb Cc is selfed. What is the probability for progeny which show the heterozygocity for AT LEAST ONE locus?
TLS Online TPP Program

#Question id: 3608

#Section 3: Genetics, Cellular and Molecular Biology

Mendel crossed plants with the seed characters round and yellow with plants having the contrasting seed characters wrinkled and green. Round is dominant

to wrinkled, and yellow is dominant to green. The F1 progeny were all round and yellow. What will be genotype ratio in F2 generation?
TLS Online TPP Program

#Question id: 3609

#Section 3: Genetics, Cellular and Molecular Biology

In humans, the dominance relationship between the A and B alleles of the ABO blood group gene is an example of
TLS Online TPP Program

#Question id: 3610

#Section 3: Genetics, Cellular and Molecular Biology

If the genotype consists of only one type of allele. It is called
TLS Online TPP Program

#Question id: 3611

#Section 3: Genetics, Cellular and Molecular Biology

ABO blood group system is due to