The function of a __________ molecule depends on its __________ and how it interacts with other protein molecules. An organism has two copies of a __________ for each feature. The two copies of a gene for each feature can be the same version (__________) and provide instructions for only __________ type of protein. The two copies of a gene for each feature can be different versions (__________) and provide instructions for __________ types of proteins. Organisms inherit their genes through __________ reproduction. Each parent __________ passes on one of its two copies of each gene to its __________. Through sexual reproduction, each offspring can __________ a different combination of gene versions. Therefore, __________ can have different traits from each other and even from their parents.

one

randomly

gene

homozygous

structure

offspring

sexual

siblings

heterozygous

two

inherit

protein