Chap 6 Vocab Freshman Biology

9th grade bio logy cha

22 cards   |   Total Attempts: 188
  

Cards In This Set

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Biological inheretance of traits from parent to offspring
Heredity
The study of heredity
Genetics
Inherited characteristics that distinguish one organism from another
Trait
Offspring of parents with different characteristics
Hybrid
Segment of DNA that codes for specific protein; the unit by which heredity characteristics are transmitted
Gene
Different form of gene for specific trait
Allele
Form of gene that is expressed when present and excludes recessive form; represented with a capital letter
Dominant
Form of gene thatis not expressed in the presence of the dominant form ; represented with a lower case letter
Recessive
Form of a genetic trait displayed by an organism
Phenotype
Genetic composition of an organism
Genotype
Discription of an organism that has an identical pair of alleles for a trait
Homozygous
Discription of an organism that has a mixed pair of alleles for a trait
Heterozygous
Process that seperates the 2 alleles of a gene during gamete formation
Segregation
Process by which different genes do not influence each other's segregation into gametes
Independent assortment
Haploid reproductive cell that can unite with another haploid cell to form a new individual
Gamete