click below
click below
Normal Size Small Size show me how
SciC&H Ch3-2,3-3,3-4
Science Vocabulary
Question | Answer |
---|---|
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 |