Genetics Introduction
1. Put the following structures in order from the biggest to the smallest:
chromosome
nucleus
DNA
gene
cells
2. Fill in the blanks with the words from question 1.
Our bodies are made up of trillions of c_________.
Most c_______ have a n_________.
In the n_________ there are pairs of homologous c____________.
C______________s are tightly coiled up _________ molecules.
Sections of ___________ molecules are called g___________.
G___________ contain coded instructions for different p___________ which then
determine what characteristics (traits) one has.
Humans have ___ chromosomes or _____ pairs of chromosomes. One set of
chromosomes come from the ________ and the other from the _________.
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