TLS Online TPP Program

#Question id: 4326


Which of the following is an example of post-transcriptional control of gene expression?

#Part-A Aptitude & General Biotechnology
  1. the addition of methyl groups to cytosine bases of DNA

  2. the binding of transcription factors to a promoter

  3. the removal of introns and alternative splicing of exons

  4. gene amplification contributing to cancer

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TLS Online TPP Program

#Question id: 3515

#Part-A Aptitude & General Biotechnology

What proportional of F2 round seeded plant would produce all round plant after self fertilization?

TLS Online TPP Program

#Question id: 3516

#Part-A Aptitude & General Biotechnology

Cross allowed between pure line tall plant with pure line dwarf plant , all F1 having tall phenotype were allowed to self to produced  200 plant The number of F2 plant having pure line tall phenotype?

TLS Online TPP Program

#Question id: 3517

#Part-A Aptitude & General Biotechnology

The following two genotypes are crossed: AaBbCcddX AabbCcDd. What will number of different genotypes among the progeny of this cross?

TLS Online TPP Program

#Question id: 3518

#Part-A Aptitude & General Biotechnology

Assume that the trihybrid cross AA BB rr X aa bb RR is made in a plant species in which A and B are dominant but there is incomplete dominance between R and r. Consider the F2 progeny from this cross, and assume independent assortment. The phenotypes appear in this F2 progeny?

TLS Online TPP Program

#Question id: 3519

#Part-A Aptitude & General Biotechnology

If quadruple heterozygote of genotype Aa Bb Cc Dd is self-fertilized, what is the probability of a quadruple heterozygote Aa Bb Cc Dd offspring is assuming independent assortment of all four pairs of alleles.

TLS Online TPP Program

#Question id: 3520

#Part-A Aptitude & General Biotechnology

flower colour  in plant  RR- red , rr- white , Rr- pink  and height of plant ( TT,Tt-tall)  ,(tt- dwarf), If cross allowed between plant RrTt X Rrtt, then what probability of progeny plant having pink flower and dwarf variety ?