Standard -What You Will Learn + Vocabulary

S7L3a. Explain the role of genes and chromosomes in the process of inheriting a specific trait. 

1. Science Notebook, next available page, date the page, and write the standard as your title.
2. Heredity-the passing down of physical or mental characteristics from one generation to the next.
3. Chromosome-found in nucleus or cytoplasm of living organisms and carry genetic information in the form of genes.
4. Gene-a unit of heredity, transferred from a parent to offspring.
5. Allele-found on a chromosome, one of two or more variations of a gene.
6. Genotype-refers to the alleles. (BB, Bb, bb)
7. Phenotype-refers the observable trait. (brown hair, green eyes)
8. Dominate-a trait that happens more frequently than another.
9. Recessive-a trait that happens less often, the weaker trait
10. Homozygous-having two identical alleles of a particular gene  (BB,bb)
11. Heterozygous- having two  different alleles of a particular gene (Bb)