GENETICS Blood Type. Blood Cells Blood’s Composition.

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Presentation transcript:

GENETICS Blood Type

Blood Cells

Blood’s Composition

What blood types can people have?

Blood Type Frequencies (in USA) ABO Type Rh Type How Many Have It O+ 38% 45% O-7% A+34% 40% A-6% B+9% 11% B-2% AB+3% 4% AB-1%

Blood Cell Sketches Please draw a picture of each cell next to the chart at the top of the page. Please draw a picture of each cell next to the chart at the top of the page.

So why are some blood types incompatible? Plasma (the liquid part of blood) has antibodies to recognize blood cells that don’t match your own. Plasma (the liquid part of blood) has antibodies to recognize blood cells that don’t match your own.

Who can give blood to whom? Blood Group AntigenAntibodies Can give blood to: Can get blood from: AAB A and AB A and O BBA B and AB B and O ABABNoneAB A, B, AB and O OnoneAB A, B, AB, and O O

Rh Factor and Pregnancy

Type A Blood Distribution

Type B Blood Distribution

Type O Blood Distribution

Type A blood

Type B blood

Type AB blood

Type O blood

Blood Summary Blood Group AntigenAntibodies Can give blood to: Can get blood from: AAB A and AB A and O BBA B and AB B and O ABABNoneAB A, B, AB and O OnoneAB A, B, AB, and O O

Pop Quiz Who is the universal donor? (Who can give blood to everybody?) Who is the universal donor? (Who can give blood to everybody?) Type O Type O Who is the universal recipient? (Who can get blood from anybody?) Who is the universal recipient? (Who can get blood from anybody?) Type AB Type AB

Visual Summary