The answer is operon. These set of genes are transcribed together because they share a single promoter and operator. Therefore they are transcribed into one mRNA and translated together. These genes are, therefore, expressed together at all times. Examples are the tryptophan and lac operons of Escherichia coli
Answer:
The spreading center is colder and has less sediment than the plains
Answer:
PP ; Pp (note:- "P" purple, "p" pink)
Pp ; pp
Explanation:
75% purple offspring
25% pink offspring
I hope it helps.