I do believe that it is C. crossing over :) I hope that is correct, it seems like the only plausible answer.
Answer:
The correct answer is - roundworms.
Explanation:
The answer is already mention in the question, however, the detailed answer is as follows:
The characteristics that are given in the question are true tissues, bilateral symmetry, and a pseudocoelom. Worms or helminths are known as primitive form of organization of the Bilaterians. All three group of worms or helmints have a basic bilateral symmetry.
These organisms inaugurated various characteristic that are found and carried by other animals such as true tissues, bilateral symmetry, and a pseudocoelom.
Thus, the correct answer is - roundworms.
Answer:
4
Explanation:
Diploid means 2n
Haploid means n
Here we have 2n=8 (because fruit fly has diploid cells with 8 chromosomes) to get to n which is haploid divide by 2, you get n=4
