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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 |