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Flashcards in Science Deck (12):
1

heredity

the passing of genetic traits from parent to offspring

2

dominate trait

the trait observed in the first generation when parents that have different traits are bred

3

recessive trait

a trait that appears in the second generation after dis spearing in the first generation when parents with different traits are bred

4

gene

one set of instructions fro an inherited trait

5

allele

one of the alternative forms of a gene that governs a chars tic such as hair color

6

phenotype

an organisms appearance or other detectable chars tic

7

genotype

the entire genetic makeup of an organism

8

proballity

the likelihood that a possible future event will occur in any given instance of the event

9

homologous chromes

chromosomes that have that sequence of genes and the same structure

10

meiosis

a process in cell division during which the number of chromes decreases to half

11

sex chrosome

one of the pairs of chromosome that determine the sex of an individual

12

pedigree

a diagram that shows the occurrence of a genetic trait in several generations of a family