Genetics Exam 1 Material
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14 Terms
Transmission Genetics
Inheritance from parent to offspring
Molecular Genetics
Gene structure and function
Gene
A region of a chromosome that helps to determine a trait
Allele
An alternative form of a gene
Chromosome
A structure containing DNA and associate proteins; genes are found at specific locations on each chromosome
Genome
All the genes in an organism
Diploid
Has two sets of chromosomes; has two alleles for each gene
Haploid
One set of chromosomes; has one allele for each gene
Karyotype
The complete set of chromosomes in an organism
Homologous chromosomes
The same structure, size, and genes, but have different alleles for those genes.
Model genetic organisms
Are smaller organisms used in research that provide insight into human biology
S phase
Number of DNA molecules per cell doubles
Anaphase
The number of chromosomes per cell doubles
Cytokinesis
Number of DNA molecules per cell and # of chromosomes per cell are halved
Note 
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