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Biology
In Mendelian dihybrid cross when heterozygous Round Yellow are self crossed. Round Green offsprings are represented by the genotype:
Q. In Mendelian dihybrid cross when heterozygous Round Yellow are self crossed. Round Green offsprings are represented by the genotype:
3337
139
KEAM
KEAM 2011
Principles of Inheritance and Variation
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A
R
r
Y
y
,
R
r
YY
,
RR
Y
y
12%
B
R
ryy
,
RR
yy
,
rryy
11%
C
rr
Y
y
.
rr
YY
4%
D
R
ryy
,
RR
yy
68%
E
R
r
Y
y
,
rryy
,
R
ryy
68%
Solution:
A typical Mendelian dihybrid cross between yellow round (dominant) and green wrinkled (recessive plants) can be represented as follows :
Thus, round green (green round) offsprings are represented by genotypes
yy
RR
and
yy
R
r
(or
RR
yy
and
R
ryy
).