P element
P1
P1-derived artificial chromosome
P1-derived artificial chromosome (PAC)
P53
PAC
pachynema
Paleontology
palindrome
Palindromic sequence
pAMP
Pan balance
Panel testing
panmictic
papilla
papillate
paracentric inversion
paralogous genes
paramecin
parameters
parapatric speciation
Parasegment border
parasexual cycle
parasite
Parasitism
Parasitology
parasympathetic nervous system
paratope
parent generation
parental ditype (PD)
parenteral
parietal lobes
parthenogenesis
partial digest
particle
particulate inheritance
parts per billion (ppb)
Parts per million (ppm)
Pascal's triangle
passive diffusion
passive transport
paternally
path diagram
pathogen
pathogenesis
pathogenic
pathogenicity
pathology
pathovar
patient
patroclinous inheritance
pattern formation
pBR 322
pBR322
PCR
PCR amplicons
pedigree
pelagic
pellet
Pelvic inflammatory disease (PID)
penetrance
pent-
peptide
peptide bond
peptidyl site
peptidyl transferase
per-
percent coefficient of variation
percent concentration
percent error
percent yield
peri-
peri-natal
pericentric inversion
pericentromere
perinatal
period
periodic law
peripheral membrane protein
peripheral nervous system (PNS)
peripheral neurons
peripheral neuropathy
periphyton
permissive condition
permissive temperature
peroxidase
Persistence
Pest sequence
Pesticide
petite
petite mutation
petrifaction
pH
pH scale
phagocytes
phagocytosis
pharmacotyping
pharyngeal arches
pharynx
phasmid
Phencyclidine hydrochloride (PCP)
phenocopy
phenotype
phenotypic sex determination
phenotypic variance
Phenylalanine
phenylketonuria (pku)
pheromone
Philadelphia chromosome
phloem
Phosphatase
Phosphate group
phosphodiester bond
phosphodiesterase
Phospholipase A2 (PLA2)
phospholipids
Phosphorus (P)
phosphorylate
Phosphorylation
photic zone
photoautotroph
photoheterotroph
photon
photoreactivation
Photorespiration
phragmospore
phyletic gradualism
phylloplane
phylogenetic tree
physical change
physical chemistry
Physical map
phytoplankton
phytoplasma
phytotoxic
phytotoxin
piebald
pilus (plural pili)
Pipettes
Pituitary
pK
pKa
placebo
placenta
planet
plankton
plant
plant breeding
plaque
plasma
Plasma membrane
plasmalemma
plasmid
plasmid suicide vector
plasmogamy
plasmolysis
plastid
plate
platelet
platelet-activating factor (PAF)
Pleiotrophy
pleiotropic mutation
pleiotropy
pleo-
plerome
plesionecrosis
plexus
ploidy
Pluripotency
PMA
poikilothermal
point mutation
Poisson distribution
poky mutation
polar
polar body
polar covalent bond
polar effect
polar gene conversion
polar granules
polar molecule
polar mutation
polarity
polarity gene
Pole cells
Pollen grain
pollinator
Poly(A) polymerase
poly-
poly-A tail
poly-dA/poly-dT technique
polyacrylamide
Polyacrylamide gel electrophoresis
polyadenosine tail
polyatomic
polycistronic
polycistronic mRNA
Polyclonal antibodies
polydactyly
polyethylene
polygene
polygenic
Polygenic disorder
polygenic inheritance
polyinvagination islands
Polylinker
Polymer
polymerase (DNA or RNA)
polymerase chain reaction
polymerase slippage
polymerase slippage model
polymerize
polymodal
polymorphism
polynucleate
Polynucleotide
polynucleotide phosphorylase
polynucleotide polymerase
polyolefin
polypeptide
polyphenism
polyphyletic
polyploid
polysaccharide
polysome
polyspermy
polytene chromosome
Polyvalent vaccine
pons
population
population density
Population genetics
position effect
position-effect variegation
Positional cloning
Positional information
positive assortative mating
positive control
positive interference
post-
post-transcriptional modification
posterior neuropore
postmortem
postreplicative repair
Postsynaptic Membrane
potential energy
potentiometric titration
pre-
pre-mRNA
pre-symptomatic
pre-synaptic terminal
precipitate
precision
precocious
predation
predator
preemptor stem
preformationism
Premarket Approval
prey
Pribnow box
Primary cell
primary consumer
primary oocyte
primary spermatocyte
primary structure
primary transcript
primase
primer
primitive folds
primitive streak
primosome
prion
prion rods
pro-inflammatory cytokines
probability
probability theory
probe
Probe Amplification
processivity
producer
product
product of meiosis
product rule
proflavin
progeny testing
prokaryote
prokaryotic cell
prolepsis
proliferate
Proline
promoter
Pronucleus
proofread
prophage
prophase
proplastid
propositus
prosencephalon
prostaglandins
prostate gland
protamine
protease
proteasome
protein
protein aggregate
protein synthesis
Proteolytic
Proteome
Proteomics
proto-oncogene
protocorm
proton
proton acceptor
proton donor
proton gradient
protoplast
protostomes
prototroph
provirus
prox-
proximal
PrP
pseudo-
pseudoallele
pseudoautosomal gene
pseudodominance
pseudogene
pull down assays
pull-down assays
pulse-chase experiment
pulsed-field gel electrophoresis
punctuated equilibrium
Punnett square
pure
pure-breeding line or strain
purines
Purkinje cells
putamen
pycnosis
pygmism
pyknosis
pyramidal nerve cells
pyriform
pyrimidine
pyruvate
pyruvic acid
