Answer:
O: Type O individuals can donate blood to anyone, because their blood has no antigens. However, they can only receive blood from other type O individuals (because blood with any antigens is seen as foreign).
Answer:
Answer is Option D - XY.
Explanation:
A typical human diploid cell contains 46 chromosomes, or 23 pairs: Two of the 46 are the sex chromosomes that determine an individual's sex: XX = female and XY = male.
Answer:
2 or more substances or ingredients coming together to create one.
Explanation:
Answer:
D) largest mass extinction event in Earth's history
Explanation:
The cambrian era started following the pre-cambrian extinction
