Non-Mendelian Genetics Review 25-26

100% pink (RW)

50% pink (RW); 25% white (WW); 25% red (RR)

100% pink flowers

50% red, 50% white flowers

100% red flowers

100% white flowers

Group A, Group B, Group AB only

Group A, Group B, Group AB, and Group O

Group A and Group AB only

Group A and Group B only

Co-dominance

Incomplete dominance

Complete dominance

Recessive trait

Male, because there are two X chromosomes

Male because there is an X and a Y

Female because there are two X chromosomes

Female because there is an X and a Y

fathers pass the allele for colorblindness to their sons only

the allele for colorblindness is located on the Y chromosome

the allele for colorblindness is recessive and located on the X chromosome

males who are colorblind have two copies of the allele for colorblindness

a) By modifying DNA sequences

b) By altering how a gene is expressed.

c) By directly changing gene function

d) None of the above

Acidic soil

Basic soil

Neutral soil

Sandy soil

Pleiotropy causes all genetic diseases

Many genetic diseases are the result of pleiotropic effects, where a single gene mutation can cause multiple symptoms

Pleiotropy and genetic diseases are unrelated

Genetic diseases only occur when pleiotropy is not present

Widow's peak is dominant over baldness

Baldness is dominant over widow's peak

Both traits are independent

Widow's peak and baldness are codominant