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SciC&H Ch3-2,3-3,3-4

Science Vocabulary

QuestionAnswer
probability the likelihood that a particular even will occur
Punnett square a chart that shows all the possible combinations 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 combinations
homozygous having two identical alleles for a trait
heterozygous having two different alleles for a trait
codominance a combination in which neither of two alleles of a gene is dominant or recessive
meiosis the process that begins in sex cells (sperm and egg) by which the number of chromosomes is reduced by half
messenger RNA RNA (ribonucleic acid) that copies the coded message from DNA in the nucleus and carries the message into the cytoplasm
transfer RNA RNA in the cytoplasm that carries an amino acid to the ribosome and adds it to the growing protein chain
Created by: Mrs. Whirledge