Why Do Brothers and Sisters Not Look Exactly Alike

question 33

Multiple Choice

Why do brothers and sisters not look exactly alike?

• A) Each fertilized egg gets a random assortment of genes from the mother and the father.
• B) While the egg cells all contain identical genetic material, the sperm cells have a great deal of variation.
• C) Siblings have the same genetic combination, but their different environments when growing up cause them to look differently.
• D) Boys tend to get more genetic material from their father, and girls tend to get most of their genetic material from their mother.

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Definitions:

Reaction

A process in which substances interact to form new substances with different chemical compositions and properties.

Major Organic Product

The predominant product formed in a chemical reaction under given conditions, emphasizing its relevance in synthetic chemistry.

Haloalkane

Haloalkanes are organic compounds where one or more hydrogen atoms in an alkane are replaced by halogen atoms (fluorine, chlorine, bromine, or iodine).

Thermodynamic Condition

Refers to the parameters of temperature, pressure, volume, and quantity of matter present during a system at equilibrium or undergoing a process that changes its state.