The answer is A because the males sperm determines the sex of a baby.The determines sperm is carrying an X or Y chromosome.
Father: XY
Mother: XX’
The father is normal, while the mother is a carrier.
Correct answer: A). Gathering evidence
The scientific explanation uses measurements and observations in order to explain something in the natural world. The Scientist uses the scientific method to collect evidence in the experiment that is related to the hypothesis.
They can gather the evidence by just observing the natural world and its phenomena or by performing an experiment in the laboratory or by running a model.
Hence, the correct answer would be option A.
Yes! they would be your aunt and uncle!
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.