TLS Online TPP Program

#Question id: 785


Several types of very short RNAs repress—or silence—expression of genes with homology to those short RNAs. They are produced from a variety of sources and direct the silencing of genes in the following different ways-

#Part-B Specialized Branches in Biotechnology
  1. Triggering destruction of the mRNA encoded by the target gene

  2. Inhibiting translation of the mRNA

  3. Inducing chromatin modifications within the target gene and thereby silencing its transcription

  4. All of the above

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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 ?

TLS Online TPP Program

#Question id: 3521

#Part-A Aptitude & General Biotechnology

Which of the following is incorrect about independent assortment?

TLS Online TPP Program

#Question id: 3522

#Part-A Aptitude & General Biotechnology

A haplo-diplod insect, Male are haploid but female are diploid, A female who is heterozygous for recessive red eye color mutation mate with red eye male. What will be percent of wild phenotype color eye among their female?