Mutation

Mutation has changed the allelic frequency.

it increases genetic variation within populations and between population.

TLS Online TPP Program

#Id: 10370

#Unit 4. Cell Communication and Cell Signaling

HLA-G

These are present on fetal cells at the maternal-fetal interface and are credited with inhibiting rejection by maternal CD8+ T cells by protecting the fetus from identification as foreign.

TLS Online TPP Program

#Id: 2358

#Unit 5. Developmental Biology

Each pluripotent neoblast generates a colony of neoblast cells in the flatworm.

TLS Online TPP Program

#Id: 636

#Unit 3. Fundamental Processes

Cytosine is deaminated to Uracil.

TLS Online TPP Program

#Id: 1171

#Unit 7. System Physiology – Animal

Glomerular hydrostatic pressure is determined by three variables: 

1. Arterial pressure

2. Afferent arteriolar resistance

3. Efferent arteriolar resistance

TLS Online TPP Program

#Id: 7597

#Unit 5. Developmental Biology

The zona pellucida in mammals plays a role analogous to that of the vitelline envelope in invertebrates; the zona, however, is a far thicker and denser structure than the vitelline envelope