1. Former President Obama and Mrs. Obama are looking to have another child. They are both heterozygous for rolling their tongues, which is a
dominant trait (R). What are the possible genotypes for their next child?
Phenotypes?
To solve this problem follow the steps below
Step 1: Write out the parent genotypes cross:
Step 2: Punnett square: Figure out the gametes. Put the parent gametes in
the proper locations & fill in the boxes.

What best explains whether bromine (br) or neon (ne) is more likely to form a covalent bond? bromine forms covalent bonds because it has seven valence electrons, but neon has eight valence electrons and already fulfills the octet rule. bromine forms covalent bonds because it has many electron shells, but neon has only two electron shells and is tightly bound to its electrons. neon forms covalent bonds because it can share its valence electrons, but bromine has seven valence electrons and can gain only one more electron. neon forms covalent bonds because it has only two electron shells, but bromine has many electron shells and will lose electrons in order to fulfill the octet rule.