In peas, round seed shape (R) is dominant to wrinkled seed shape () and yellow seed color (Y) is dominant to green seed color (y) A pea plant which is homozygous round seed and has green seed color is crossed with a pea plant that is heterozygous round seed shape and heterozygous yellow seed ocolor. Directions: Follow the given steps in the discussion, do the cross using the Punnett square, then answer the given questions correctly. Step 1: Read and analyze the given problem. Step 2: RR or Rr YY or Yy Step 3: Parent's genotypes: RRyy x= RrYy Step 4: Possible gametes: Ry Ry Ry Ry x RY Ry rY ry Step 5: Fill up the Punnett square correctly. Step 6: Determine genotypic and phenotypic ratios. -Phenotypic ratio: Genotypic ratio: % RRYY % RIYY. % RRyy. % Rryy Of
In peas, round seed shape (R) is dominant to wrinkled seed shape () and yellow seed color (Y) is dominant to green seed color (y) A pea plant which is homozygous round seed and has green seed color is crossed with a pea plant that is heterozygous round seed shape and heterozygous yellow seed ocolor. Directions: Follow the given steps in the discussion, do the cross using the Punnett square, then answer the given questions correctly. Step 1: Read and analyze the given problem. Step 2: RR or Rr YY or Yy Step 3: Parent's genotypes: RRyy x= RrYy Step 4: Possible gametes: Ry Ry Ry Ry x RY Ry rY ry Step 5: Fill up the Punnett square correctly. Step 6: Determine genotypic and phenotypic ratios. -Phenotypic ratio: Genotypic ratio: % RRYY % RIYY. % RRyy. % Rryy Of
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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
Transcribed Image Text:Part I: Filing up the Punnett Square for a Dihybrid Cross
Problem to be solved:
In peas, round seed shape (R) is dominant to wrinkled seed shape (r) and yellow
seed color (Y) is dominant to green seed color (y). A pea plant which is homozygous
round seed and has green seed color is crossed with a pea plant that is heterozygous
round seed shape and heterozygous yellow seed color.
Directions: Follow the given steps in the discussion, do the aross using the Punnett
square,
Step 1: Read and analyze the given problem.
then answer the given questions correctly.
Step 2: RR or Rr=
YY or Yy yy=
Step 3: Parent's genotypes: 8= RRyy x = RrYy
Step 4: Possible gametes: Ry Ry Ry Ry x RY Ry rY ry
%3D
Step 5: Fill up the Punnett square correctly.
Step 6: Determine genotypic and phenotypic ratios.
-Phenotypic ratio:
Genotypic ratio:
% RRYY
% RIYy.
% RRyy.
% Rryy
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