Are roundworms a representative organism?

No

Explanation:

Because Roundworms, also called nematodes, are parasitic worms that comprise the phylum nematoda. Many roundworms are parasitic and infect humans and other animals. ... Roundworms can be hermaphroditic or reproduce sexually. Some well-known nematodes include ascaris lumbricoides, hookworms, and heartworms.

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.