The map of the United States shows the level of use of a common pesticide, Atrazine. Based on the data, which conclusion is accu
rate?
A:Texas and New Mexico have similar Atrazine use patterns
B. One would probably be more likely to find Atrazine resistant grasshoppers in Alabama, than in Ohio.
C. A person from Montana, allergic to Artazine, would probably have to be very careful of potatoes grown there.
D. Base on the data, Iowa would probably have high rated of soil pollution Atrazine than almost any other state.
A:Texas and New Mexico have similar Atrazine use patterns
B. One would probably be more likely to find Atrazine resistant grasshoppers in Alabama, than in Ohio.
C. A person from Montana, allergic to Artazine, would probably have to be very careful of potatoes grown there.
D. Base on the data, Iowa would probably have high rated of soil pollution Atrazine than almost any other state.
1 answer:
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Answer:
% GENOTYPE
FF = 0%
Ff = 50%
ff = 50%
% PHENOTYPE
Black fur = 50%
Grey fur = 60%
Explanation:
This question involves a single gene coding for fur color in dogs. The allele for grey fur (F) is dominant over the allele for black fur (f). This means that a heterozygous dog (Ff) will have a grey fur.
In this question, a heterozygous female (Ff) is said to cross with a recessive male (ff) i.e. Ff × ff. The following gametes will be produced by each parent:
Ff - F and f
ff - f and f
Using these gametes in a punnet square (see attached image), the following genotypic proportion of offsprings will be produced:
Ff - 1/2 = 50%
ff - 1/2 = 50%
Ff is phenotypically GREY while ff is phenotypically BLACK. This means that 50% of the offsprings will be black and 50% will be grey.
