Chapter 10 and 11

Question 1

blending theory of inheritance

Answer 1

-an outdated theory that suggested that hereditary traits blend evenly in offsprings through mixing of the parent’s blood

Question 2

principal of segregation (mendel’s first law of inheritance)

Answer 2

Alleles of a gene segregate independently of each other during gamete formation

Question 3

sum rule

Answer 3

used when several different events all give the same outcome

Question 4

product rule

Answer 4

can be used to predict the outcome of crosses involving two or more genes

Question 5

law of the independent assortment of alleles

(mendel’s second law of inheritance)

Answer 5

alleles of genes on different chromosomes assort independently of each other during gamete formation

Question 6

polygenic

Answer 6

involves three or more genes affecting the outcome of a single trait (continuous distribution; skin colour, weight)

Question 7

pleiotropy

Answer 7

determination of more than one seemingly unrelated phenotypic traits by a single gene

Question 8

Explain why linked genes do not show independent assortment.

Answer 8

-they are located on the same chromosome an get passed together