Recombinant chromosomes have too many copies of some genes and no copies of others, so gametes that receive the recombinant chromosomes cannot produce viable progeny.

TLS Online TPP Program

#Id: 2442

#Unit 3. Fundamental Processes

Nonsense mutations release ribosomes within the RNA of a multigene operon, though, enabling rho to terminate transcription prematurely and prevent expression of distal genes in the transcription unit even though their open reading frames contained wild-type sequences

TLS Online TPP Program

#Id: 2059

#Unit 8. Inheritance Biology

Quantitative trait loci (QTLs)- Chromosomal regions containing genes that influence a quantitative trait.

TLS Online TPP Program

#Id: 9069

#Unit 4. Cell Communication and Cell Signaling

Inactive PKA is a tetramer consisting of- 

two regulatory (R) subunits

two catalytic (C) subunits

TLS Online TPP Program

#Id: 2996

#Unit 3. Fundamental Processes

The coupled 5'-3' synthetic/ 3'-5' exonucleolytic action is used most extensively for filling in short single-stranded regions in double-stranded DNA. These regions arise during lagging strand DNA replication.

TLS Online TPP Program

#Id: 9851

#Unit 6. System Physiology – Plant

Both phytochromes and cryptochromes entrain the circadian clock in Arabidopsis.