| A | B |
|---|
| genetics | ___________ is the study of heredity and genes. |
| genes | Different _________ control different traits |
| chromosomes | ____________ are made from DNA and found in the nucleus of cells |
| traits | Eye color and skin color are examples of these |
| DNA | ______ contains instructions on how to build each part of your body. |
| dominant | When a pair of genes contains a dominant and recessive gene, the offspring show the ________________ trait. |
| recessive | A _______________ gene is in charge of a trait that only appears when two genes in a pair are _______________. |
| double helix | A DNA molecule is in the shape of a twisted ladder called a _______ _____________. |
| heredity | __________ is the passing of genes from one generation to another |
| inherit | Offspring ______________ their traits from their parents. |
| parents | ______________ pass on traits to their offspring |
| offspring | Another name for children is ____________. |
| Punnett square | A ____________ _______________ organizes information ab out the genes from two parents. |
| bases | The 'rungs' of the ladder of a DNA molecule is made of four ____________ |
| adenine | The base in the DNA molecule that begins with the letter ‘A’ |
| thymine | The base in the DNA molecule that begins with the letter ‘T’ |
| guanine | The base in the DNA molecule that begins with the letter ‘G’ |
| cytosine | The base in the DNA molecule that begins with the letter ‘C’ |
