Comb shapes in chickens

9/16 walnut (R- P-)

3/16 rose (R- pp)

3/16 pea (rr P-)

1/16 single (rr pp)

TLS Online TPP Program

#Id: 6643

#Unit 8. Inheritance Biology

Effects of Multiple Crossovers 

TLS Online TPP Program

#Id: 10066

#Unit 4. Cell Communication and Cell Signaling

Extracellular region of a classical cadherin contains five copies of the cadherin domain separated by flexible hinge regions

TLS Online TPP Program

#Id: 3232

#Unit 4. Cell Communication and Cell Signaling

Potent form of benzo(a)pyrene induces inactivating mutations at codons 175, 248, & 273 of the p53 gene.

TLS Online TPP Program

#Id: 9004

#Unit 6. System Physiology – Plant

CO2 functions both as an activator and as a substrate in the reaction catalyzed by rubisco.

TLS Online TPP Program

#Id: 6985

#Unit 5. Developmental Biology