Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.

TLS Online TPP Program

#Question id: 38086

#Plant Biotechnology

Assertion (A): Treatment of alfalfa somatic embryos with ABA increased conversion efficiency to over 50%.

Reason (R): ABA inhibits germination completely in somatic embryos.

TLS Online TPP Program

#Question id: 38087

#Plant Biotechnology

Statement I: Artificial seeds are formed when sodium alginate droplets containing somatic embryos are dropped into CaCl₂ solution.

Statement II: Hardening of artificial seeds occurs due to the formation of calcium alginate.

TLS Online TPP Program

#Question id: 38088

#Plant Biotechnology

Somaclonal variation refers to:

TLS Online TPP Program

#Question id: 38089

#Plant Biotechnology

The term gametoclonal variation is specifically used for variability arising from:

TLS Online TPP Program

#Question id: 38090

#Plant Biotechnology

In general usage, the term somaclonal variation includes variability present in:

TLS Online TPP Program

#Question id: 38091

#Plant Biotechnology

Which of the following explants is commonly used for inducing somaclonal variation?