Haldane’s rule: hybrid sterility or hybrid inviability is often limited to the heterogametic sex. 

TLS Online TPP Program

#Id: 2125

#Unit 8. Inheritance Biology

G-banding patterns reveal that several human chromosomes differ from those of chimpanzees by only a pericentric inversion.

TLS Online TPP Program

#Id: 9371

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 8639

#Unit 2. Cellular Organization

Phosphorylation of Whi5 promotes its export out of the nucleus, allowing the transcription factor complex SBF to induce transcription of the G1/S phase cyclin genes CLN1 and CLN2.

TLS Online TPP Program

#Id: 6343

#Unit 8. Inheritance Biology

X-Linked Color Blindness in Humans 

The human eye perceives color through light-sensing cone cells that line the retina.  Each cone cell contains one of three pigments capable of absorbing light of a particular wavelength: one absorbs blue light, a second absorbs red light, and a third absorbs green light.

TLS Online TPP Program

#Id: 925

#Unit 13. Methods in Biology

FITC binds to Annexin V to phosphatidyl serine which are found on apoptotic cells, analyzed by FACS