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BioTest3
A-B-O Blood Typing System and Human Chromosomes
12
Biology
Undergraduate 1
11/06/2010

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Term
Three allelic forms of gene
Definition
a. One allele for type A
b. One allele for type B
c. One allele for type O
Term
Phenotypes
Definition
1. Type A
2. Type B
3. Type AB
4. Type O
Term
Genotypes
Definition
1. I^A I^A or I^A i
2. I^B I^B or I^B i
3. I^A I^B [example of co-dominance]
4. ii
Term
Rh Factor = +/-
Definition
1. D- Rh+
2. d- Rh-
Term
Humans have ?? chromosomes/diploid cells. Or ?? PAIRS of chromosomes.
Definition
46. 23.
Term
One pair are called _____________, they determined male and female
Definition
sex chromosomes
Term
the kind of sex chromosomes that are stacked straight up and down
Definition
“X”
Term
the kind of sex chromosomes that are in more of a V shape
Definition
"Y"
Term
Females have ?? chromosomes
Definition
XX
Term
males have ?? chromosomes
Definition
XY
Term
Sex-linked genes=
Definition
x-linked genes (found only on X chromosome)
Term
The other 22 pairs are called
Definition
autosomal chromosomes (or autosomes).
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