1. Genetics Quiz 1
Ch. 11

2. Q1: Black fur(B) in guinea pigs is dominant over white fur(b)
Q1: Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of a black offspring in a cross: bb x bb.
A. 0%
b. 25%
c.50%
d.75%
e.100%

3. Q2. Black fur(B) in guinea pigs is dominant over white fur(b)
Q2. Black fur(B) in guinea pigs is dominant over white fur(b). Find the probability of an offspring with the same phenotype as its parents in a cross between a homozygous black and a heterozygous black guinea pig.
A. 0%
B. 25%
C. 50%
D.75%
E. 100%

4. a) 1 out of 4 b) 2 out of 4 c) 3 out of 4 d) 4 out of 4
Q3. If two people who are both carriers for a genetically inherited fatal recessive disease decide to become parents, what will be the odds that their children will also be carriers?
a) 1 out of 4
b) 2 out of 4
c) 3 out of 4
d) 4 out of 4
e) none of these

5. Q4. Organisms that have two different alleles for a particular trait are said to be...
A. Hybird
B. Homozygyous
C. Heterozygous
D. Dominant
E. really strange

6. A. Incomplete Dominance B. Polygenic Inheritance
Q5. A cross of a black chicken (BB) with a white chicken (WW) produce all speckled offspring (BW). This type of inheritance is known as ..
A. Incomplete Dominance
B. Polygenic Inheritance
C. Recessive inheritance
D. Multiple Alleles
E. none seem right

7. Q6. According to the dihybrid cross below, what proportion of peas would be green and smooth?

8. Q7. What is the probability that a hamster will have black, fine hair?
D. 8/16 (1/2)
E. 3/16

9. E. not enough information
Q8. Tracey has three brothers. One of Tracey's brothers has sickle-cell anemia, a disease caused by a recessive allele. She, her parents, and the other children do not have it. If Tracey's parents have another child, what is the chance that the child will have sickle-cell anemia?
A. 0%
B. 25%
C. 50%
D. 75%
E. not enough information

10. E. none of these seem correct
Q9. In pepper plants, the allele for hot flavor (H) is dominant to the allele for mild flavor (h).  A farmer crosses a homozygous dominant plant with a recessive (mild) plant. What percentage of the offspring from this cross will have hot flavor?
A. 25%
B. 50%
C. 75%
D. 100%
E. none of these seem correct

11. Q10. Could a man with type B blood and a woman with type AB produce a child with type O blood? Draw the Punnett squares.Yes or no?
HINT: You will need to draw 2 punnett squares for the dad’s genotypes??
A = yes, B = no on clicker