Flash Cards

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




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