Genetics and Blood Groups Flashcards
What is the definition of a Genotype??
Pair of alleles ( types of genos )
Examples of alleles??
Eye colour
Hair colour
Skin colour
Tongue roll
What is always expressed when present??
Dominant Alleles
What is only expressed when no dominant one is present??
Recessive gene
What is homozygous??
When both the alleles are the same e.g. / BB , bb
What is Heterozygous??
Different alleles e.g./ Bb
How genes are expressed e.g./ brown eyes, blue eyes
Phenotype
Who started the Great Pea Extravaganza??
Mendel
Where was Mendel born??
In the Czech Republic in 1822
What was Mendel interested in??
Human deficiency
What are grease letters for??
A , B , AB , O
The 4 blood groups
What are the possible genotypes for the A blood Group??
IA , IA
IO , IA
IA , IB
What are the possible genotypes for the B blood Group??
IB , IB
IO , IB
IA , IB
What are the possible genotypes for the O blood Group??
IO , IO
Which blood group is the universal recipient??
AB Blood