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Name: Yellow guinea pigs crossed with white ones always produce cream-colore
Uploaded: 2024-03-20T06:43:04.000Z
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Description: Yellow guinea pigs crossed with white ones always produce cream-colored offspring. Two cream guinea pigs, when crossed, produce yellow, cream, and white offspring in the ratio of 1 yellow : 2 cream : 1 white. What principle of genetics is involved

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Yellow guinea pigs crossed with white ones always produce cream-colored offspring. Two cream guinea pigs, when crossed, produce yellow, cream, and white offspring in the ratio of 1 yellow : 2 cream : 1 white. What principle of genetics is involved in this cross? (1 point) 2. The shape of radishes may be long, round, or oval. The following results were obtained in the different possible crosses: a. long x oval gave ½ long and ½ oval b. oval x round gave ½ oval and ½ round c. long x round gave all oval d. oval x oval gave ¼ long, ½ oval, and ¼ round Explain these results. Hint: Show genotypes of each cross) (2 points). a. b. c. d. 3. In human blood types, what are the genotypes of the following parents? (2 points). Phenotypes of ParentsPhenotypes of OffspringGenotypes of parents ABABO A x AB½ 0½ 0_______ x _______ A x AB½ ¼¼0_______ x _______ A x A¾00¼_______ x _______ A x O½00½_______ x _______ A x B¼¼¼¼_______ x _______

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1. Yellow guinea pigs crossed with white ones always produce
cream-colored offspring. Two cream guinea pigs, when
crossed, produce yellow, cream, and white offspring in the ratio
of 1 yellow : 2 cream : 1 white. What principle of genetics is
involved in this cross? (1 point)
2. The shape of radishes may be long, round, or oval. The
following results were obtained in the different possible
crosses:
Chapter 5 genetic problem set.docx
a. long x oval gave ½ long and ½ oval
b. oval x round gave 2 oval and ½ round
c. long x round gave all oval
d. oval x oval gave 4 long, ½ oval, and 14 round
Explain these results. Hint: Show genotypes of each cross) (2
points).
Chapter 5 genetics problems (5 points)
Name
a.
b.
X
C.
d.
X
3. In human blood types, what are the genotypes of the following
parents? (2 points).
Phenotypes of Parents
Genotypes of parents
A x AB
A x AB
ΑΧΑ
999
Dashboard Calendar
Phenotypes of Offspring
A B AB O
½/2012 0
½
½ 140
34 00 14
M
10
To Do
D
Notifications
X
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Expert Solution

Step 1

Given that Yellow guinea pig was crossed with white one. Thus cross will always produce cream colored offspring.

*And also given that when two cream guinea pigs were crossed they produce yellow and cream and white offspring in the ratio of 1 yellow : 2 cream : 1 white.

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