Sieve tube elements rely on companion cells for functions carried out by which organelle?

Select the correct answer. which formula describes newton’s second law of motion? a. force=mass x accerlaration b. mass/accerlaration c. mass x volacity d. mass/ volacity

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.