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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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rk_9897 rk_9897
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11 years ago
In certain plants, red flowers are dominant to white flowers. If a heterozygous plant is crossed with homozygous red-flowered plant, what is the probability that the offspring will be white-flowered?

a) 0%
b) 100%
c) 25%
d) 50%
e) It depends on whether the traits are linked.
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wrote...
#1
11 years ago
A
wrote...
#2
11 years ago
c. th chance is 25 %. if the homogeneous specie has a RR genotype then the Heterogeneous specie will have a Rr genotype. this after division will read R R R r the R represents red flowering plans and the r represents white flowering plants provided the genotype has a r in and the phenotype for r is white.
wrote...
#3
11 years ago
The offspring of a homozygous plant (RR) x heterozygous plant (Rr) would be:
50% RR and 50% Rr - meaning that the offspring would be homozygous dominant and heterozygous (50% of them would be carriers of the white gene).  Therefore, the answer would be A.
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