Ch.12 Vocab Quiz

type of protein that acts as a catalyst for certain specific reactions

transports oxygen and makes blood red

cell arising from the union of egg and sperm

having two identical allelic genes

the existence of more than one form of a genetic trait

the study of antigen-antibody reactions

fluid portion of unclotted blood

any of the several alternative forms of a gene

substance that stimulates the body to produce antibodies against it

female sex chromosome

a collection of identical antibodies that interact with a single antigen site

blood serum in which there are specific antibodies

clumping together of red blood cells by the action of the antibody

deoxyribonucleic acid

rodlike structure in the nucleus composed of DNA

physical manifestation of a genetic trait

a protein that destroys or inactivates a specific antigen

physical location of a gene on a chromosome

fused spleen and tumor cells used to produce identical antibodies in limitless supply

absence of sperm

enzyme found in high concentration in the sperm

low sperm count

female reproductive cell

red blood cell

male reproductive cell

having two different allelic genes

an antibody that reacts wit its corresponding antigen to form a precipitate

male sex chromosome

the particular combination of genes present in cells 

liquid that separates from blood when a clot is formed

multiple molecular forms of an enzyme