Correct answer is 2 - To breathe
The parents would both have to be heterozygous for both of the traits, meaning that if the chromosome letters were "B" and "b", their genotypes would both be "Bb." If you put both parents' genotypes into a punnet square, it would be a 25% chance that their child would have blue eyes. Beatrice's genotype would end up being "bb", since blue eyes are a recessive gene in this case.
The correct option is D. electrons.
<span>Two or more atoms can be together if they share electrons with each other.</span><span>
By sharing, they form a covalent bond and that way the atoms can be stable.
The electrons being shared are</span>valence electrons and this <span>allows the atoms to fill their outer levels.</span>