Answer:
1)The atomic mass number of an element
2)The relative electronegativity of an element
3) The period of an element
The only possible phenotype is large ears.
This is because using a punnet square reveals that each option has a dominant allele of large ears, leaving no room for the recessive trait of small ears.
Hope this helps!
Could you elaborate more?
The least reactive element in the third period is argon.
