Part F: Lecture 16

Question 1

For most enzymes, ______ (or activity) is sufficient for a WT phenotype

Answer 1

50% amount

Question 2

Statement of dominance

Answer 2

Allele is ____ dominant to Allele

Question 3

Pleiotrophy (def.)

Answer 3

when one gene influences several phenotypic traits

Question 4

Farmers plant need to be ___

Answer 4

homozygous so all offspring is homozygous

Question 5

Types of allele interactions

Answer 5

a)complete dominance
b)incomplete dominance
c)codominance

Question 6

complete dominance (def.)

Answer 6

heterozygotes has dominant phenotype

Question 7

incomplete dominance (def.)

Answer 7

heterozygotes has intermediate phenotype
(ex. petal colour in snapdragons)

Question 8

incomplete dominance statement

Answer 8

Alleles show incomplete dominance

Question 9

complete dominance statement

Answer 9

allele is completely dominant to another allele

Question 10

codominance (def.)

Answer 10

heterozygotes show the phenotype of both homozygotes (ex. roan cattle-brown/white patches)

Question 11

codominance statement

Answer 11

Alleles show codominance

Question 12

genotype + environment = ____

Answer 12

phenotype

Question 13

_____ is the rarest form of allele interaction

Answer 13

codominance

Question 14

some genes can have several _____

Answer 14

mutant alleles