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B6 pt2 (Inherited disorders (Cystic fibrosis (Recessive disorder with a…
B6 pt2
Inherited disorders
Cystic fibrosis
Recessive disorder with a carrier at 1/25 chance of passing it on
because its recessive people with one copy wont get it they are known as carriers
to have the disorder both parent and child must be carriers
or the parent have the disorder
Embryo screening
Against
Prejudice
Expensive
discrimanation
For
stop suffering
There are laws to stop modification
Polydactyly
caused by a dominant allele
if one parent carries it there is a chance of it happening
50% chance if one parent has it
Variation
Mutations
mutations change the gene codes
Rare changes in species that alter looks and behaviour
they also change the amino acids
Same Species have differences
The features could vary such as fur colour and body shape
Genotypes could be different
Environment can cause these changes
Evolution
speciation
when the phenotype of a species changes so much that a new species is formed
it happens when populations change to become reproductively isolated
Darwin
Survival of the fittest
these species could effectively reproduce and hunt and defend
less adapted organisms would die out