Co-dominance and Multiple Alleles Flashcards
1
Q
What is the gene locus represented by?
A
I (i)
2
Q
What does the I stand for in a gene locus?
A
Isohaemaglutïnogen :) (don’t need to learn this off by heart)
3
Q
What does a gene locus do?
A
Determines which antigen is present on the surface of the red blood cell
4
Q
Ia and Ib are what alleles?
A
Do-dominant
5
Q
What genotype is always recessive?
A
Io
6
Q
What is XX?
A
A girl
7
Q
What is XY?
A
A boy
8
Q
How can you tell the difference between a body cell and a sex cell in a diagram?
A
Body cells are in pairs whereas sex cells aren’t
