y9 autumn science Flashcards
1
Q
what colour of eye allel is dominant
A
Brown
2
Q
what is a recessive allel
A
2 copies need to see the effect
3
Q
what percentage of data is the interquartile range
A
middle 50%
4
Q
what is likely hood of something happening if it has a probability of 0
A
no chance
5
Q
if a species does not……… it will go extinct
A
it need to evolve
6
Q
what is the defenition of extinction
A
to have died out for ever
7
Q
what is a pathogen
A
An organism that effects the health of the host cell
8
Q
what are the 5 types of dieseases
A
infectous,deficancy,genetic, lifestyleand autimmate
9
Q
what do white blood cells produce to fight pathogens
A
antigens
