How would I work the following problems out? I would likesomeone to show their work so I could better understand the answersand thought process.

Genetics Problems

For the first couple of problems, you will be workingwith guinea pigs. Their coat color shows an example of completedominance - black (B) is dominant over brown (b).

1. A heterozygous black male is crossed with aheterozygous black female. What would be the resulting phenotypicratio in the offspring?

2. A heterozygous black male is crossed with a brownfemale. (A) What would be the resulting phenotypic ratio in theoffspring? (B) What would be the probability of getting a blackoffspring?

For the next two problems, you will be working withsnapdragons. Flower color in snapdragons shows incompletedominance.

RR = Red

R'R' = White

RR' = Pink

3. A red flowered plant is crossed with a white floweredplant. What phenotype(s) would the offspring show?

4. A pink flowered plant is crossed with another pinkflowered plant. (A) What would be the resulting phenotypic ratio?(B) What would be the probability of getting a pink floweredoffspring?

The next genetic problems deal with bloodtype.

5. - 6. Give the possible genotypes for each of theseblood types (these do not require crosses - just write the possiblegenotypes for each phenotype):

Type A

Type B

Type AB

Type O

7. A type O woman has children with a type AB man. Givethe possible phenotypes of their children.

8. Is it possible for an A type woman and a B type manto have children that are type O? Explain your answer.

The final problems deal with the sex-linked trait ofcolor-blindness. Color-blindness is caused by a recessive gene thatis found on the X chromosome.

XC = normal vision

Xc = color-blindness

9. A woman with normal vision that is homozygous (XCXC)has children with a color-blind man (XcY). (A) if they have adaughter, what is the probability that she will be a carrier? (hint- only look at the female offspring). (B) What is the probabilitythat they will have a color-blind child?

10. A woman with normal vision that is a carrier (XCXc)has children with a man with normal vision (XCY). (A) If they havea son, what is the probability he will be color-blind? (hint - onlylook at the male children for this answer). (B) What is theprobability that they will have a color-blind child?