True or false 1. There is only one set of alleles responsible for determining each trait-dominant or recessive.
2. Some traits are determined by more than one gene, such as eye color.
3. Environment plays role in how a gene is expressed.
4. Genes determine all your characteristics.
5. A mutation is a change in the genetic code of an organism.
6. All mutations are harmful and cause the organism to not develop properly.
7. Dominant traits are always found in a population.
8. Each parent contributes half their genetic code to their offspring.
9. Chromosomes are organized structures that contain proteins and a single-coiled strand of DNA.
10. Chromosomes are visible to the naked eye.
11. Alleles are units of heredity-specific sequences of DNA and RNA that create proteins with particular functions in an organism.
12. Genes are variants of an allele.