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Answer:
C. The electrons are closer to the atom with the higher
electronegativity.
Explanation:
In a covalent bond, the electrons are shared equally when the atoms involved have the same electronegativity. However, when there are differences of electronegativity between those atoms, the electrons preferred are closer to the atom with the higher electronegativity.
Answer:
See explanation
Explanation:
A gene mutation can be defined as a permanent change in the DNA sequence that composes a gene, resulting in the observation that the sequence differs from what is obtainable in most individuals that make up the population. Mutations range from a change in a single DNA building block (change in the sequence of base pairs) to changes in a large segment of a chromosome that includes multiple genes.
Mutation in the color of the wings of the housefly can be passed on to the next generation. If this trait enhances survival of the butterflies, the orange winged butterflies will eventual become extinct and become entirely replaced by the white winged butterflies. This implies that gene pool has been completely modified.
