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list the 3 types of mutation x-ray uv-ray high-enrgy radition
what type of mutation caouses sickle valine
recessive the gene that is expressed only if the the dominant gene is not present
trait a physical characteristic like eye color, hair color
gametes sex cell or reproductive cells.
heredity the passing of traits from generation to generation
genotype the type of genes an organism has
phenotype the physical appearance of an organism
homozygous or purebred both copies of gene are the same
heterozygous or hybrid has 2 forms of the gene (allele) that are different
probability the likelihood of somthing happening
punnet square a chart that shows all the possible combinations of the genes from a genetic cross.
karyotype is a picture of the pairs of chromosomes
mitosis is a type of cell division that makes 2 regular body cells with a full set of chromosomes
meiosis is a type of cell divisison that makes 4 sex cells witha half a set of chromosomes
genes the areas on chromosomes that control traits
alleles the different forms of a gene
Created by: cmcgowan