S (smooth) is dominant to s (hairy) L (long pod) is dominant to 1 (short pod) (Ll is medium length) 7. Given this cross: Yy RR Bb SS LI (male) cross with yy RR Bb Ss LI (female) a. How many different gametes can be formed by the female plant? b. How many different genotypes are possible in the F1 offspring? c. How many different phenotypes are possible in the F1 offspring? d. What percent of the F1 individuals will be: i. green, bitter, and smooth ii. hairy, medium, and sweet iii. round, bitter, and long 8. Two babies in a maternity ward have lost their identity bands, and there is some confusion about their footprint records. Baby #1 is type A blood; #2 is type B blood. If you are one of the mothers and your blood type is 0, which one of the following statements applies. Explain your answer. Neither baby could be yours. The type A baby is yours. The type B baby is yours. Either baby could be yours. 9. In cocker spaniels, the following genotypes and phenotypes are found: AABB = white, A_bb = red, aabb = lemon, A_B_ = black and aaB_ = liver a. A red female is mated with a liver-colored male, and one of the pups produced is lemon-colored. What are the genotypes of the parents? b. What proportion of these offspring would be expected to be black? 10. In humans, dark hair (D) is dominant over blondness (d), and color blindness (c) is a sex-linked recessive trait. A woman has a blond brother, a blond mother, and a dark- haired father. Her brother and her parents have normal vision. She bears the following three children by her blond, normal-visioned husband: a dark-haired son with normal vision, a dark-haired daughter with normal vision, and a dark-haired color blind son. a. Make a pedigree of the entire family showing the probable genotypes of all individuals.
S (smooth) is dominant to s (hairy) L (long pod) is dominant to 1 (short pod) (Ll is medium length) 7. Given this cross: Yy RR Bb SS LI (male) cross with yy RR Bb Ss LI (female) a. How many different gametes can be formed by the female plant? b. How many different genotypes are possible in the F1 offspring? c. How many different phenotypes are possible in the F1 offspring? d. What percent of the F1 individuals will be: i. green, bitter, and smooth ii. hairy, medium, and sweet iii. round, bitter, and long 8. Two babies in a maternity ward have lost their identity bands, and there is some confusion about their footprint records. Baby #1 is type A blood; #2 is type B blood. If you are one of the mothers and your blood type is 0, which one of the following statements applies. Explain your answer. Neither baby could be yours. The type A baby is yours. The type B baby is yours. Either baby could be yours. 9. In cocker spaniels, the following genotypes and phenotypes are found: AABB = white, A_bb = red, aabb = lemon, A_B_ = black and aaB_ = liver a. A red female is mated with a liver-colored male, and one of the pups produced is lemon-colored. What are the genotypes of the parents? b. What proportion of these offspring would be expected to be black? 10. In humans, dark hair (D) is dominant over blondness (d), and color blindness (c) is a sex-linked recessive trait. A woman has a blond brother, a blond mother, and a dark- haired father. Her brother and her parents have normal vision. She bears the following three children by her blond, normal-visioned husband: a dark-haired son with normal vision, a dark-haired daughter with normal vision, and a dark-haired color blind son. a. Make a pedigree of the entire family showing the probable genotypes of all individuals.
Chapter14: Human Inheritance
Section: Chapter Questions
Problem 2GP: Human females have two X chromosomes XX; males have one X and one Y chromosome XY. a. With respect...
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Transcribed Image Text:S (smooth) is dominant to s (hairy)
L (long pod) is dominant to I (short pod) (Ll is medium length)
7. Given this cross: Yy RR Bb SS LI (male) cross with yy RR Bb Ss Ll (female)
a. How many different gametes can be formed by the female plant?
b. How many different genotypes are possible in the F1 offspring?
c. How many different phenotypes are possible in the F1 offspring?
d. What percent of the F1 individuals will be:
i. green, bitter, and smooth.
ii. hairy, medium, and sweet
iii. round, bitter, and long.
8. Two babies in a maternity ward have lost their identity bands, and there is some
confusion about their footprint records. Baby #1 is type A blood; #2 is type B blood.
If you are one of the mothers and your blood type is 0, which one of the following
statements applies. Explain your answer.
Neither baby could be yours.
The type A baby is yours.
The type B baby is yours.
Either baby could be yours.
9. In cocker spaniels, the following genotypes and phenotypes are found: AABB =
white, A_bb = red, aabb = lemon, A_B_ = black and aaB_ = liver
a. A red female is mated with a liver-colored male, and one of the pups
produced is lemon-colored. What are the genotypes of the parents?
b. What proportion of these offspring would be expected to be black?
10. In humans, dark hair (D) is dominant over blondness (d), and color blindness (c) is a
sex-linked recessive trait. A woman has a blond brother, a blond mother, and a dark-
haired father. Her brother and her parents have normal vision. She bears the
following three children by her blond, normal-visioned husband: a dark-haired son
with normal vision, a dark-haired daughter with normal vision, and a dark-haired
color blind son.
a. Make a pedigree of the entire family showing the probable genotypes of all
individuals.
b. What is the probability that her next (fourth) child will be a colorblind boy.
c. If he is a colorblind boy, what is the probability that he will have dark hair?
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