#Question id: 5349
#Unit 8. Inheritance Biology
The following is the inheritance pattern of a trait under observation:
(i) The trait often follow cris cross inheritance
(iii) Unaffected father born to affected daughter
The trait is likely to be
#Question id: 32347
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 5027
#Unit 11. Evolution and Behavior
Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?
1. Protostomes invade terrestrial environments.
2. Cambrian explosion occurs.
3. Deuterostomes invade terrestrial environments.
4. Vertebrates become top predators in the seas.
#Question id: 18759
#Unit 13. Methods in Biology
#Question id: 7103
#Unit 5. Developmental Biology
Patterning of the Xenopus mesoderm along the dorso-ventral axis involves an antagonistic relationship between chordin and BMP-4. Is there an analogy here to dorso-ventral patterning in the Drosophila embryo?