Answer: crossing over
during the process of fertilization, a sperm and egg join together to create a zygote. since a sperm had half the number of chromosomes and an egg has half the number of chromosomes, when they join together the zygote had a complete diploid set of chromosomes. the assortment of chromosomes and crossing over promotes genetic variation during the process of reproduction
Answer:
c.The lac genes would be expressed continuously.
Explanation:
The <u>correct response is (c)</u> The lac genes would be expressed continuously because the active repressor cannot bind to the mutant O c operator. Accordingly, the repressor will not be able to inhibit RNA polymerase from binding to the lac promoter, producing the lac operon to be transcribed continuously or constitutively. Formerly again the level of appearance is inversely proportionate to the level of glucose already present.
The elements can be chlorine or bromine
