Genes & Heredity-1 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
GREGOR MENDEL | First scientist to discover the laws of genetics Through his work with pea plants |
HEREDITY | Sum of characteristics based on genes Inherited from one's ancestors (Parent to Offspring) |
GENE | Part of the chromosome Determines a specific trait(s) Occupies a fixed position on the chromosome |
ALLELES | Two genes Determine Trait of Organism |
HETEROZYGOUS | Two DIFFERENT genes for the same trait (Bb) ONE dominant “B” and ONE recessive “b” |
HOMOZYGOUS | BOTH genes of a trait are the same i.e., PP or pp |
Law of INDEPENDENT ASSORTMENT | Each trait determined independently |
DOMINANT TRAIT | Genetic trait Present in either allele Appears in the individual (offspring) Written as capital letter “B” |
RECESSIVE TRAIT | Genetic trait IF BOTH parents contribute—Appears in the offspring IF ONE parent contributes —does not appear; dominant trait shown Written as lower case letter “b” May appear in later generations |
INCOMPLETE DOMINANCE | Dominant trait does not totally mask a recessive trait Both genes are expressed/appear i.e.,- a blue eye gene and a brown eye gene may produce green eyes |
GENOTYPE | Genetic make-up Showing both alleles governing a trait i.e., Blood Type |
PHENOTYPE | Way an organism appears Can be observed (seen) |
Created by:
pj johnson
Popular Biology sets