Answer the following question given this paragraph: 

In sexually reproducing organisms, parents pass a copy of each type of chromosome to their offspring by producing gametes. When gametes are fertilized and form offspring, each has a unique combination of chromosomes and genes from both parents. The inherited gene combination determines the characteristics of the offspring.


Q: In sexually reproducing organisms, parents pass a copy of each type of what to their offspring by producing gametes?

 Choices:

- molecule

- genome

- phenotype

- chromosome

A:
chromosome
