1. If a Red (RR) and White flower (rr) were crossbred, resultingin 100% Rr, what phenotype would been seen according to the rulesof complete dominance?

2. If a Red (RR) and White flower (rr) were crossbred, resultingin 100% Rr, what phenotype(s) would been seen according to therules of Incomplete dominance?

3. If a Red (RR) and White flower (WW) were crossbred, resultingin 100% RW, what phenotype(s) would been seen according to therules of codominance?

4. Snapdragons are incompletely dominant for color; they havephenotypes red, pink, or white. The red flowers are homozygousdominant, the white flowers are homozygous recessive, and the pinkflowers are heterozygous. Give the genotypes for each of thephenotypes, using the letters “R” and “ r ” for alleles:

a. Red snapdragon b. Pink snapdragon c. White snapdragon

Genotype: ______ Genotype: ______ Genotype: ______

Show genetic crosses between thefollowing snapdragon parents, using the Punnett squares provided,and record the genotypic and phenotypic %s below:

1. pink x pink b. red xwhite c. pink x white

Genotypic %:________ Genotypic %: ________ Genotypic %: ________

Phenotypic %: _______ Phenotypic %:_______ Phenotypic%: _______

5. In horses, some of the genes for hair color are incompletelydominant. Genotypes are as follows: brown horses are BB, whitehorses are bb and a Bb genotype creates a yellow-tannish coloredhorse with a white mane and tail, which is called “palomino”. Showthe genetic crosses between the following horses and record thegenotypic and phenotypic percentages:
   1. Brown xwhite b. Brown xpalomino c. Palomino x palomino

Genotypic %:________ Genotypic %: ________ Genotypic %: ________

Phenotypic %: _______ Phenotypic %:_______ Phenotypic %: _______

6. Can palominos be considered a purebred line of horses? Why orwhy not?

7. Which two colors of horse would you want to breed if you wantedto produce the maximum numbers of palominos in the shortest amountof time?

8. Human blood types are determined by genes that follow thecodominance pattern of inheritance. There are two dominant alleles(A & B) and one recessive allele (O).

Phenotype	Genotype
Blood Type A	IAIA or IAi
Blood Type B	IBIB or IBi
Blood Type AB	IAIB
Blood Type O	ii

Write the genotypes for each person based on thedescription:

1. Homozygous for the B allele: _______________________
2. Heterozygous for the A allele: _______________________
3. Type O: __________________________
4. Type A and had a type O parent: ________________________
5. Type AB: ___________________________

9. Mrs. Essy is type “A” and Mr. Essy is type “O.” They have threechildren named Matthew, Mark, and Luke. Mark is type “O,” Matthewis type “A,” and Luke is type “AB.” Based on this information:

Mr. Essy must have the genotype________
Mrs.Essy must have the genotype_________because___________has bloodtype________

What is one concern regarding Luke?_________________________________

10. Based on the information in this table, which of the mencould not be the father of the baby? Why?

Name	Blood Type
Mother	Type A
Baby	Type B
Mailman	Type O
Butcher	Type AB
Waiter	Type A
Cable Guy	Type B

11. The sister of the mom above also had issues with finding outwho the father of her baby was. She had the State perform e ablood test of the potential fathers. Based on the informationin the table below, why was the baby taken away by the State afterthe test?

Name	Blood Type
Mother	Type O
Baby	Type AB
Bartender	Type O
Guy at the Club	Type AB
Cab Driver	Type A
Flight Attendant	Type B