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7A Science - Heredity
Genetics / Selective Breeding / Inheritance Patterns
Terms in this set (25)
The passing of traits from parent to offspring.
father of genetics
The study of heredity.
a structure where genes are located. Is made up of DNA wrapped around proteins.
basic unit of heredity. specific genetic sequence coding for a trait.
variations of genes that determine traits
genetic make-up of an organism
physical description of an organism or trait
a gene with two identical alleles - ex. GG or gg
a gene with two different alleles. - ex. Gg
genes that are neither dominant nor recessive, it is a blending of the traits
each allele expresses its phenotype on the organism. Both share the dominance.
crossing of two traits on DIFFERENT chromosomes.
Genes that are found on the X-chromosome, more frequently seemed in males.
Female sex chromosomes
male sex chromosomes
Trait that will show up in an organism's phenotype if gene is present
The inherited characteristic often masked by the dominant characteristic and not seen in an organism.
The process of selecting a few organisms with desired traits to serve as parents of the next generation
Genetically modified organism made when DNA is removed from one organism and placed within the DNA of what can be a very different organism.
diagram showing the gene combinations that might result from a genetic cross
The genotypes of two parents used to predict inheritance of traits. ex. Gg x GG
asexual reproduction - resulting in identical "cloned" offspring.
cell division that results in haploid sex cells, sperm and egg.
A chart which shows several generations of related families and how traits are passed down through the offspring.
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