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

TLS Online TPP Program

#Id: 1337

#XL - T Zoology

All RTKs have a cytosolic domain with protein tyrosine kinase activity

TLS Online TPP Program

#Id: 1338

#XL - T Zoology

The EGFR specifically binds EGF in a lock-and-key type of mechanism.

TLS Online TPP Program

#Id: 1339

#XL - T Zoology

The function of a growth factor-  stabilize receptor dimerization

TLS Online TPP Program

#Id: 1340

#XL - T Zoology

HER1 & HER4, can form stable homodimers after binding a growth factor.

TLS Online TPP Program

#Id: 1341

#XL - T Zoology

HER2 can signal only by forming heterodimers with ligand-bound HER1, HER3, or HER4

TLS Online TPP Program

#Id: 1342

#XL - T Zoology

HER3 lacks a functional kinase domain