Genetic traits of seeds are noted as follows: G = long, W = wrinkled, Y = yellow, R = ribbed, g = short, w = smooth, y = white, r = grooved. Which of the following is a possible genotype for a short, wrinkled, yellow, grooved seed?
Answer
a. ggWwyyrr
b. GGWWyyRr
c. ggWwYYrr
d. GgWwYYRr
When crossing a homozygous recessive with a heterozygote, what is the chance of getting an offspring with the homozygous recessive phenotype?
Answer
a. 25%
b. 0%
c. 50%
d. 75%
e. 100%
On an electrophoresis gel, band B is closer to the positive end of the gel than is band A. Which of the following statements is true?
Answer
a. Band B consists of larger DNA fragments than does band A.
b. Band B moved faster than band A.
c. Band A is smaller than band B.
d. Band B is more negatively charged than band A.
Answer
a. ggWwyyrr
b. GGWWyyRr
c. ggWwYYrr
d. GgWwYYRr
When crossing a homozygous recessive with a heterozygote, what is the chance of getting an offspring with the homozygous recessive phenotype?
Answer
a. 25%
b. 0%
c. 50%
d. 75%
e. 100%
On an electrophoresis gel, band B is closer to the positive end of the gel than is band A. Which of the following statements is true?
Answer
a. Band B consists of larger DNA fragments than does band A.
b. Band B moved faster than band A.
c. Band A is smaller than band B.
d. Band B is more negatively charged than band A.