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4.2-4.4 science
science vocabulary 4.2-4.4
Question | Answer |
---|---|
a number that describes how likely it is that an event will occur | probibility |
a chart that shows all the possible combinations of alleles that can result from a genetic cross | punnet square |
an organism's physical appearance, or visible traits | phenotype |
an organism's genetic makeup, or allele combinations | genotype |
having two identical alleles for a trait | homozygous |
having two different alleles for a trait | heterozygous |
a condition which neither of two alleles of a gene is dominant or recessive | codominance |
the process that occurs in the formation of sex cells by which the number of chromosomes is reduced in half | meiosis |
RNA that copies the coded message from DNA in the nucleus and carries the message into the cytoplasm | messenger RNA |
RNA in the cytoplasm that carries an amino acid to the ribosome and adds it to thee growing protein chain | transfer RNA |
a change in a gene or chromosome | mutation |