barley, a self-fertilizing species that can be cross-fertilized, two true-breeding strains with virescent leaves occur. In strain A, the trait is caused by a cytoplasmic gene while in strain B it is by a recessive chromosomal gene. What phenotypes would you expect among the progeny, and in what proportions in each of the following? Illustrate your
In barley, a self-fertilizing species that can be cross-fertilized, two true-breeding strains with virescent leaves occur. In strain A, the trait is caused by a cytoplasmic gene while in strain B it is by a recessive chromosomal gene. What
a. reciprocal crosses between A and B
b. crossing of each F1 in (a) to each of the paternal strains
c. self-fertilization of the F1’s in (a)
d. reciprocal crosses between F1’s in (a)
Use the following gene assignments:
Strain A (trait is in Cytoplasm)
A – virescent
a – not virescent
Strain B (recessive chromosomal gene)
B – not virescent
b - virescent
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