Name __________________________________________REVIEW FOR Unit 7 Test1. Define what makes a co-dominant trait

2. Dominant alleles are represented with a ______________ letter and recessive alleles are represented by a _______________ letter.

3. Cross a white bunny (recessive) with a white and brown spotted bunny (Bb) What is the phenotypic ratio? (LT 2)a. 0BB : 2Bb : 2bbb. 2BB : 2Bb : 0bbc. 0 BB : 2 Bb : 1 bbd. 0BB : 4Bb : 0bb

4. Define incomplete dominance and give an example

5. Label each as CODOMINANT or INCOMPLETE DOMINANCE or COMPLETE DOMINANCE (normal)_______________________Petunias can be red, white or red and white peppermint striped. _______________________A cat can be black, white or heterozygous can be grey_______________________A mouse can have black fur or white fur.

6. Sex-linked traits are controlled by genes found on which chromosome?

7. The genotype for a color blindness carrier is: _______________

8. A female carrier of hemophilia (XhX) marries a man with hemophilia (XhY). What is the probability of the couple having a daughter with hemophilia?

8. Mary had blood type O and Mary and Michael (type AB) had 8 babies. What percent chance do they have at having a baby with Type O blood? a. 100%b. 75%c. 0%d. 50%

9. What would an empty (clear) square on a pedigree represent? a. Affected maleb. Carrier femalec. Normal maled. Affected female

Study the pedigree below, which shows the inheritance of a disease in humans. The disease is caused by a single gene with dominant (T) and recessive (t) alleles.10.Identify the sex of the person labelled G ______11.Identify the letter symbols of two males who have the disease ____________

12. How are G and F related? (LT 10)a. Sistersb. Brothersc. Cousinsd. Married

13. In a cross between a person with type AB blood and another who is homozygous for type A blood, what % of children will have type A blood?

14. What possible blood types can the offspring of a heterozygous type A blooded man and a heterozygous type B blooded woman have? (LT13)