Answer:
B. knowing the age of a grandmother because she was a kid during the Great Depression
Answer:
brothers and sisters don't look exactly alike because everyone (including parents) actually has two copies of most of their genes. And these copies can be different. Parents pass one of their two copies of each of their genes to their kids.
Allometric growth or the variation in growth pattern such that the mass or size of any body organ or part can be expressed relatively to the total mass or size of the entire organism. It also accounts for human infants having large heads crowning over their small bodies.
