Compound- a new substance formed by the combination of two or more different atoms
Energy Level- area that electrons are found around an atomic nucleus
Element- a substance consisting of only one type of atom
Molecule- the smallest complete form of a compound or diatomic gas
Answer: You will find the pedigree in the attached files
First-generation (Parents):
• Tom: rr
• Diane: Rr
Second generation (Children):
• Anna: rr
• Anna´s husband: Rr
• Mary: Rr
• Mary´s husband: RR, Rr, or rr
• Teddy: Rr
Third generation (Grandchildren):
• Will: Rr
• Vanessa: rr
• Patric: RR or Rr
Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached files
If there is no antigen the blood group is 0 !!
extra info ; if both antigen - AB
65 million years, if I remember correctly