Class II MHC transcriptional activator called CIITA and another transcription factor called RFX, have both been shown to activate the promoter of class II MHC genes.

Defects in these transcription factors cause one form of bare lymphocyte syndrome.

TLS Online TPP Program

#Id: 1967

#XL - T Zoology

TLS Online TPP Program

#Id: 1968

#XL - T Zoology

Survivorship (lx) is calculated by dividing the number of individuals in an age class by the number in the original cohort;

TLS Online TPP Program

#Id: 1969

#XL - T Zoology

The mortality rate (qx) within each age class is estimated by the variable

TLS Online TPP Program

#Id: 1970

#XL - T Zoology

This mortality rate allows us to determine whether mortality increases with age, decreases with age, or is independent of age

TLS Online TPP Program

#Id: 1971

#XL - T Zoology

The number alive during an age class can be estimated by the relationship:

TLS Online TPP Program

#Id: 1972

#XL - T Zoology

Life expectancy - The average number of additional age classes an individual can expect to live at each age.