1. KEY CONCEPT ___________ _________ and _______ ____ during ________ result in _______ _________.

2. _______ ___________ creates ______ ___________ of _____.
Sexual reproduction creates unique combination of genes.
__________ _________ of __________ in _______
_____ ____________ of _______
______ _________ may give a ___________ ________ to ____ __________.

3. _______ ____ during _______ increases _______ _______.
Crossing over is the ________ of _________ _______ between __________ __________.
occurs during ________ __ of _______ __
results in ___ ___________ of _____

4. ___________ contain ____ _____.
The ______ _____ ___ _____ are ________ on a ___________, the ____ ______ they are to be _________ by _______ ____.
Genes located ____ ________ on a __________ tend to be _________ _______, which is called ______ ______.
Genetic linkage allows the ________ between ___ _____ to be __________