Which of the following is true about genes?
genes are responsible for all the traits of an organism.

in humans, genes are passed to an offspring from two parents.

the genes of a particular organism can never change throughout its lifetime.

genes are made up of smaller molecules known as chromosomes.

In humans, genes are passed to an offspring from two parents.

Explanation:

Chromosomes are passed from parents to offspring via sperm and eggs. The specific kind of chromosome that contains a gene determines how that gene is inherited. ... Consequently, each person has two copies (alleles) of every gene carried on an autosome: one inherited from their father and one from their mother.

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answer is

human impact on the environment can be seen in the deterioration of the !

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