Practice Questions

TLS Online TPP Program

#Question id: 4335

Which of the following mutations would be most likely to have a harmful effect on an organism?

#SCPH28 | Zoology

a deletion of three nucleotides near the middle of a gene
a single nucleotide deletion in the middle of an intron
a single nucleotide deletion near the end of the coding sequence
a single nucleotide insertion downstream of, and close to, the start of the coding sequence

More Questions

TLS Online TPP Program

#Question id: 3630

#SCPH12 I Genetics

In the pearl-millet plant, color is determined by three alleles at a single locus: Rp1 (red), Rp2 (purple), and rp (green). Red is dominant over purple and green, and purple is dominant over green (Rp1 > Rp2 > rp). What will be expected phenotypes and ratios of offspring produced by the Rp1/rp × Rp2/rp crosses?

TLS Online TPP Program

#Question id: 6960

#SCPH01 Biochemistry

At the blastocyst stage during mammalian embryonic development, the specification of trophectoderm requires ________; whereas in inner cell mass _________activation is essential.

TLS Online TPP Program

#Question id: 12904

#SCPH01 Biochemistry

Match the following:

1. Southern Blotting i. Melting temperature of DNA strand

2. DNA microchips ii.oligonucleotide matching to DNA sample

3. ASO-PCR iii.DNA hybridization to oligo arrays

4. DGGE iv. labeled probe hybridization to DNA

TLS Online TPP Program

#Question id: 547

#SCPH05 I Biotechnology

The role of an enzyme in an enzyme-catalyzed reaction is to: