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Heredity

science

QuestionAnswer
heredity the passing of traits from parents offspring
triat A characteristic that an organism can pass on to its offspring though its gene
genetics The scientific study of heredity.
fertilization The joining of a perm and an egg.
purebred Organism is the offspring of many generations that have the same trait.
gene The set if information that controls a trait; a segment of DNA on a chromosomes that codes for a specific trait.
alleles The different forms of a gene.
dominant allele An alleles whose trait always shows up in the organism when the allele is present
recessive allele An allele that is masked when a dominant allele is present
hybrid An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait
Punnett square A chart that shows all the possible combination of alleles that can result from a genetic cross
phenotype An organism's physical appearance, or visible traits.
genotype An organism's genetic makeup, or allele combination
homozygous Having two identical alleles for a trait.
heterozygous Having two different alleles for a trait.
codominance A condition in which neither of two alleles of a gene is dominant or recessive
meisos The process that occurs in the information of sex cells (sperm and egg) by which the number of chromosomes is reduced by half.
messenger RNA RNA that copies the coded message from DNA in the nucleus and carries the message into the cytoplam
transfer RNA RNA is the cytoplasm that carries an amino acid to the ribosome and add it to the growing protein chain
mutation A change in a gene or chromosome.
Created by: ocurato
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