Answer:
If twins are a boy and a girl, clearly they are fraternal twins, as they do not have the same DNA. A boy has XY chromosomes and a girl has XX chromosomes. Girl-boy twins occur when one X egg is fertilized with an X sperm, and a Y sperm fertilizes the other X egg.
Explanation:
Answer: Oviduct
Explanation:
The Oviduct, which is also known as Fallopian tube is a long narrow tube with funnel shaped opening which receives oocytes released by the ovary.
Usually, contractions of the muscular walls of the oviduct pushes the ovulated oocytes down the narrow tube where sperm travels through and fertilizes the oocytes to form zygote, which then is implanted in the uterus.
So, Oviduct is the answer
B: Use oxygen to make ATP
It's a process in the mitochondria known as "oxidative phosphorylation" or "aerobic respiration."
**Note: "aerobic" and "oxidative" mean "uses oxygen."
The reactants and products are separated by a narrow. Chemical equations should contain information about the state properties.
