Genetics Crossword

2. Different forms of a gene that can produce different variations of a trait.
4. Having two identical alleles for a particular gene.
6. When an egg cell and a sperm cell combine to develop into an offspring.
11. A diagram showing the genetic relationships among family members over several generations.
13. A change in the DNA sequence of a gene that can lead to new traits or genetic disorders.
14. A unit of heredity that determines a specific trait, such as eye color or height.
15. The molecule inside cells that contains genetic information and instructions for growth, development, and functioning.
16. A specific characteristic or feature that an organism inherits from its parents.
17. The study of how traits are passed down from parents to offspring.
18. A trait that will only appear in an organism's phenotype if two copies of the gene are present.

1. An individual's complete set of chromosomes.
3. A thread-like structure in the cell nucleus that carries genes.
5. A diagram used to predict the possible genotypes of offspring in a genetic cross.
7. A trait that will appear in an organism's phenotype if one copy of the gene is present.
8. The passing of physical or mental characteristics from parents to offspring.
9. Having two different alleles for a particular gene.
10. The observable physical or biochemical characteristics of an organism, resulting from its genotype and environmental influences.
12. The genetic makeup of an organism, consisting of the alleles it carries. Represented using upper and lower case letters.