Chromosome Evolution

Fissions and fusion is the most common way for the number of chromosomes to change.

Humans have 23 pairs of chromosomes, but all of the other great apes have 24 pairs. At some point since our lineage split from that of chimpanzees, two chromosomes fused

TLS Online TPP Program

#Id: 5268

#Unit 7. System Physiology – Animal

SA node has an unstable resting membrane potential.

The “resting membrane potential” of the sinus nodal fiber between discharges has a negativity of about −55 to −60 millivolts.

TLS Online TPP Program

#Id: 2140

#Unit 9. Diversity of Life Forms

Darwin have agreed that all animals with vertebrae form a single phylogenetic branch of species that share a common ancestor.

TLS Online TPP Program

#Id: 9781

#Unit 6. System Physiology – Plant

R gene products are also called as NBS–LRR

TLS Online TPP Program

#Id: 7182

#Unit 5. Developmental Biology

Noggin is a secreted protein that is able to accomplish two of the major functions of the organizer:  It induces dorsal ectoderm to form neural tissue It dorsalizes mesoderm cells that contribute to the ventral mesoderm

TLS Online TPP Program

#Id: 9030

#Unit 6. System Physiology – Plant