Blood Typing Pre-Lab

Codominance is when...

• One allele is dominant over another.

• Two alleles can be expressed at the same time.

• No alleles are expressed.

• Two alleles are recessive.

Multiple allelism means...

• A gene has no alleles in a population.

• A gene has more than one allele in a population.

• A gene has more than two alleles in a population.

• A gene expresses more than one allele at the same time.

Blood type can be determined by ___ allele(s) found in a population.

• 1

• 2

• 3

• 4

In the blood type alleles, which is/are dominant?

• I^A

• I^B

• i

• None are dominant.

Humans can have up to ___ allele(s) of a gene.

• 1

• 2

• 3

• 4

Individuals with type A blood can have the genotype(s)...

• I^A I^A

• I^B I^B

• I^A i

• I^B i

• I^A I^B

Individuals with type B blood can have the genotype(s)...

• I^A I^A

• I^B I^B

• I^A i

• I^B i

• I^A I^B

Individuals with type AB blood can have the genotype(s)...

• I^A I^A

• I^B I^B

• I^A i

• I^B i

• I^A I^B

Individuals with type A blood have ___ and ___.

• A antibodies

• A antigens

• B antibodies

• B antigens

Individuals with type B blood have ___ and ___.

• A antibodies

• A antigens

• B antibodies

• B antigens