Your internship with Dr. Nefario at Gru Industries is going well so far, but a recent mission to obtain a shrink ray requires a special kind of Minion. You identify that the ideal Minion phenotypes for this mission are two eyes, pale yellow, and short. From your previous work, you’ve found that: Two-eyed (D) is completely dominant over one-eyed (d) Yellow (Y) is incompletely dominant with white (y) Tall (T) is completely dominant over short (t) a. The only reproductive individuals you have at the moment (it was surprise mission!) are a true breeding two-eyed, yellow, short Minion and a one heterozygous for each trait. What genotypic ratios would you expect for this cross assuming that each locus is on a different chromosome? What total proportion would you expect to be the desired phenotype for the mission? b. The mission has since been delayed due to lack of financial support, so you’ve got some time. All the individuals from the F1 cross above are now reproductive. Which genotypes would you select to maximize the number of mission-ready Minions? What proportion of the cross would have the desired phenotypes?
Your internship with Dr. Nefario at Gru Industries is going well so far, but a recent
mission to obtain a shrink ray requires a special kind of Minion. You identify that the
ideal Minion
your previous work, you’ve found that:
Two-eyed (D) is completely dominant over one-eyed (d)
Yellow (Y) is incompletely dominant with white (y)
Tall (T) is completely dominant over short (t)
a. The only reproductive individuals you have at the moment (it was surprise
mission!) are a true breeding two-eyed, yellow, short Minion and a one
heterozygous for each trait. What genotypic ratios would you expect for this cross
assuming that each locus is on a different chromosome? What total proportion
would you expect to be the desired phenotype for the mission?
b. The mission has since been delayed due to lack of financial support, so you’ve
got some time. All the individuals from the F1 cross above are now reproductive.
Which genotypes would you select to maximize the number of mission-ready
Minions? What proportion of the cross would have the desired phenotypes?
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