Close inbreeding is harmful because it increases the proportion of homozygotes and thereby boosts the probability that deleterious and lethal recessive alleles.

TLS Online TPP Program

#Id: 3277

#Unit 3. Fundamental Processes

Methylation of DNA strands can serve to distinguish parent (template) strands from newly synthesized strands in E. coli DNA

TLS Online TPP Program

#Id: 6247

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 1203

#Unit 7. System Physiology – Animal

The principal estrogen secreted by the ovaries is β-estradiol.

TLS Online TPP Program

#Id: 398

#Unit 2. Cellular Organization

Modification of histones is associated with replication and transcription, and specific modifications also facilitate DNA repair.

TLS Online TPP Program

#Id: 3100

#Unit 3. Fundamental Processes

It has an origin at which replication is initiated. It may also have a terminus at which replication stops.