Set up a mating between an Hfr strain and an F- (ade- his- bio-) strain and detect bio+ recombinant. Which of the following mati
ng can let me select the recombinant by a single step (or a single selective medium)?
1. Hfr (ade + his+ bio+ Str-S) X F- (ade- his- bio-)
2. Hfr (ade+ his- bio-) X F- (ade- his- bio-)
3. Hfr (ade+ his+ bio+ Str-R) X F- (ade- his- bio- Str-S)
4. Hfr (ade+ his+ bio+ Str-S) X F- (ade- his- bio- Str-R)
1 answer:
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Answer:
that aren't sex chromosomes ( dont know which one because there are not any answer choices)
Explanation:
Change through natural selection
Hope this Helps (:
The correct answer is A
hope this helps !
They are called "products".
