Mid Term Exam 2018 Flashcards
What is the term for RNA that sends a message - - that states what DNA says?
mRNA
What is the term for the physical expression of a gene?
Phenotype
What is the term for a cell that has HALF the normal amount of chromosomes?
Haploid
What is the term for characteristics of an organism?
Trait
What is the term for enzymes that unzips DNA helix so it can be replicated?
DNA Helicase
What is the term for mRNA that is cut out of transcription and stays in the nucleus?
Introns
What is the term for the permanent change in a cell’s DNA?
Mutation
What is the term for the science of heredity?
Genetics
What is the term for having two of the same allele for a gene (BB or bb)?
Homozygous
What is the term for a specific version of a gene?
Allele
What is the term for 3 nucleotides that code of ONE amino acid a DNA word?
Codon
What is the RNA Polymerase creates mRNA from DNA?
Transcription
What is the term for an allele that is ALWAYS expressed over a recessive allele?
Dominant
What is the term for Ribonucleic acid?
RNA
What is the term for an enzyme that creates new DNA strands?
DNA Polymerase