decided 19 × 1080 add that to 2097 + flip
Answer:
chromosomes, the X and the Y.
Explanation:
Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome. This arrangement means that it is the male that determines the sex of the offspring when fertilization occurs.
D. Homeostasis- naturally selected function
The correct answer is allele.
I hope I helped!