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what is a nucleus? where the genetic information/genes/DNA are located on chromosones.
Where do chromosomes exist? In every cell
How do chromosomes exist? Chromosomes exist in pairs
How many pairs of chromosomes does the human body have? 23 pairs; 46 individual chromosones
What are chromosomes made up of? Chromosomes are made up of chromatin
What is chromatin made up of? DNA and protein
What is a locus? A spot on a chromosome where a gene is located.
Each chromosome has its own what? Gene.
How would you say...A = A Big a over big a
What is a centromere? coiled up chromatin; it has a purpose.
If you stretch out a chromosome, what do you get? DNA.
What is a genotype? What the genes on the chromosome are.
What is a phenotype? What the genes produce physically *physical representation of the genotype.
Can genetypes have different forms? Yes.
What are the forms of genetypes called? Alleles.
T=tall t=short T dominates over little t unless t = t
Dominance The presence of this allele makes all others; it's the ruler
Recessive The matched one
If one allele is dominant, what is the other one? Recessive.
Where does the dominant go; where does the recessive go? ? = ? Dominant on the top; recessive on the bottom.
Homozygous geneotypes have what? The same alleles. T t = = T t
Heterozygous geneotypes have what? Opposite alleles. T = t
Created by: abbeygri