Biology, 18.12.2020 17:40 Ezonthekid
A mutation (Mutation A) in the lac operon of E. coli leads to an inability to ferment lactose, and the expression of the operon is always off. Introduction into the mutant of an F' factor containing the wild type lac operon does NOT restore the ability to ferment lactose, i. e., there is no expression of the operon from the plasmid either. a. What is the probable nature of Mutation A
Answers: 3
Biology, 21.06.2019 22:10, jakhunter354
Amouse that is homozygous for the dominant trait has the genotype . it has . a mouse that is homozygous for the recessive trait has the genotype . it has . image of fur color of mice
Answers: 1
Biology, 22.06.2019 03:30, fnaflover8505
Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?
Answers: 3
Biology, 22.06.2019 07:20, Abrahamolve
Which best describes carbon dioxide’s path out of the body
Answers: 2
A mutation (Mutation A) in the lac operon of E. coli leads to an inability to ferment lactose, and t...
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Biology, 20.02.2020 18:03