Handicap principle: Long tail feathers function as a sign of an individual’s genetic quality because the bearer must be able to afford this energetically costly trait. 

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#Id: 2111

#Unit 8. Inheritance Biology

Heterozygous condition may produce imbalances in the amounts of gene products similar to those produced by extra gene copies.

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#Id: 5657

#Unit 7. System Physiology – Animal

The bony labyrinth is a series of channels and filled with a fluid called perilymph, which has a relatively low concentration of K+, similar to that of plasma or the cerebral spinal fluid

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#Id: 725

#Unit 3. Fundamental Processes

The E. coli oriC contains 11 copies of the GATC sequence

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#Id: 6530

#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 7018

#Unit 5. Developmental Biology

In many cases, signaling factors maintain the stem cell in an uncommitted state.