Parent 1 is heterozygous for blood type (A) Parent 2 is heterozygous for blood type (A)
What is the probability that they would have a child with type A blood?
A) 0%
B) 25%
C) 50% D) 75%

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations