CCBC BIO 109 LECTURE 2 2026
CERTIFICATION EVALUATION SCRIPT
SOLUTIONS GRADED A+
⩥ Blood Type B.
Answer: Has B antigens on red blood cells and anti-A antibodies in
plasma.
⩥ Blood Type AB.
Answer: Has both A and B antigens and no anti-A or anti-B antibodies.
⩥ Blood Type O.
Answer: Has no A or B antigens and has both anti-A and anti-B
antibodies.
⩥ Universal Donor.
Answer: O negative blood can donate red blood cells to all blood types.
⩥ Universal Receiver.
Answer: AB positive can receive red blood cells from all blood types.
⩥ Antigen.
,Answer: A molecule on a cell surface recognized by the immune system.
⩥ Antibody.
Answer: A protein in plasma that binds to specific antigens.
⩥ Agglutination.
Answer: Clumping of red blood cells caused by incompatible blood
mixing.
⩥ Hemolysis.
Answer: Destruction or rupture of red blood cells.
⩥ Codominance.
Answer: Both alleles are expressed equally, like IA and IB producing
AB blood.
⩥ Recessive Allele.
Answer: An allele expressed only when paired with itself, like i for type
O.
⩥ IA.
Answer: Allele that codes for blood type A.
, ⩥ IB.
Answer: Allele that codes for blood type B.
⩥ i Allele.
Answer: Recessive allele that codes for blood type O.
⩥ Punnett Square.
Answer: A tool used to predict inheritance of traits.
⩥ Rh Factor.
Answer: Surface protein that makes blood positive or negative.
⩥ Rh Positive.
Answer: Blood has Rh antigen.
⩥ Rh Negative.
Answer: Blood lacks Rh antigen.
⩥ Hemolytic Disease of the Newborn.
Answer: Maternal antibodies attack fetal red blood cells due to Rh
incompatibility.
CERTIFICATION EVALUATION SCRIPT
SOLUTIONS GRADED A+
⩥ Blood Type B.
Answer: Has B antigens on red blood cells and anti-A antibodies in
plasma.
⩥ Blood Type AB.
Answer: Has both A and B antigens and no anti-A or anti-B antibodies.
⩥ Blood Type O.
Answer: Has no A or B antigens and has both anti-A and anti-B
antibodies.
⩥ Universal Donor.
Answer: O negative blood can donate red blood cells to all blood types.
⩥ Universal Receiver.
Answer: AB positive can receive red blood cells from all blood types.
⩥ Antigen.
,Answer: A molecule on a cell surface recognized by the immune system.
⩥ Antibody.
Answer: A protein in plasma that binds to specific antigens.
⩥ Agglutination.
Answer: Clumping of red blood cells caused by incompatible blood
mixing.
⩥ Hemolysis.
Answer: Destruction or rupture of red blood cells.
⩥ Codominance.
Answer: Both alleles are expressed equally, like IA and IB producing
AB blood.
⩥ Recessive Allele.
Answer: An allele expressed only when paired with itself, like i for type
O.
⩥ IA.
Answer: Allele that codes for blood type A.
, ⩥ IB.
Answer: Allele that codes for blood type B.
⩥ i Allele.
Answer: Recessive allele that codes for blood type O.
⩥ Punnett Square.
Answer: A tool used to predict inheritance of traits.
⩥ Rh Factor.
Answer: Surface protein that makes blood positive or negative.
⩥ Rh Positive.
Answer: Blood has Rh antigen.
⩥ Rh Negative.
Answer: Blood lacks Rh antigen.
⩥ Hemolytic Disease of the Newborn.
Answer: Maternal antibodies attack fetal red blood cells due to Rh
incompatibility.
