What were the genotypes / phenotypes in the Parental generation?
An experimenter crosses two fruit flies with different phenotypes. The results in the F2 generation are:
478 crooked legs, trembling behavior
372 stumpy legs, circling behavior
175 crooked legs, circling behavior
98 stumpy legs, trembling behavior
A. Both parents homozygous / Female phenotype: crooked legs, trembling, Male phenotype: stumpy legs, circling
B. Both parents homozygous / Male phenotype: crooked legs trembling, Female phenotype: stumpy legs, circling
C. Both parents heterozygous / Female phenotype: crooked legs, trembling, Male phenotype: crooked legs, trembling
D. Both parents homozygous / Male or female parental phenotype: crooked legs, trembling, Second parental phenotype: stumpy legs, circling
E. Both parents heterozygous / Both parental phenotypes: crooked legs, trembling
D. Both parents homozygous / Male or female parental phenotype: crooked legs, trembling, Second parental phenotype: stumpy legs, circling
You might also like to view...
Island species are particularly vulnerable to extinction for all of the following reasons except
A. humans have altered habitats. B. island species have lost the ability to escape predators. C. humans have introduced competitors. D. humans have introduced diseases. E. fewer endemic species are found on islands.
Coal is
a. a nonrenewable resource b. a fossil fuel c. rich in stored carbon energy d. organic remains of ancient seedless plants e. all of the above are true
The diagnosis of cancer may involve the use of ________, which employs short bursts of a powerful magnetic field to produce a cross-sectional image of tissues in the body
Fill in the blank(s) with correct word
Pests that eat the same type of food as humans are part of our
A. producers. B. food web. C. food chain. D. All of these answers are true.