Lec. 22 - Inheritance

Question 1

Describe the purpose of a test cross.

Answer 1

It is used to determine the genotype of an organism that displays a dominant phenotype but whose genotype is unknown.

Question 2

Explain probability in relation to genetics.

Answer 2

It plays a crucial role in predicting the likelihood of specific genetic outcomes or the inheritance of traits based on the principles of Mendelian genetics.

Question 3

Explain how blood types occur and how they influence medicine.

Answer 3

Blood types are determined by the presence or absence of specific antigens on the surface of red blood cells.

Question 4

Explain which blood type is the universal donor and why.

Answer 4

The universal donor is O-Neg, because it lacks A and B antigens and lacks Rh antigens, and it is compatible with most blood types.