7-2 Ch 5 Flashcards
A change in the nucleotide sequence of a gene is…
mutation
What is a punnet square used for?
To predict the possible genotypes and phenotypes of an offspring
Incomplete dominance
when the offsprings phenotype is a combination of the parents phenotypes
Which process makes a copy of a DNA molecule?
replication
What is one type of mutation?
substitution
deletion
insertion
What are the four nitrogen bases of a nucleotide?
adenine
cytosine
thymine
guanine
What is the process of making mRNA from DNA?
transcription
What was Mendel known as?
father of genetics
What is a recessive trait?
A genetic factor that is blocked by the presence of a dominant factor
What plant did Mendel use in his experiments?
Pea plants
What are hybrids?
Hybrids are first generation flowers
What would be a dominant trait?
A. lower case letters
B. upper case letters
B
What is the difference between RNA and DNA?
DNA is double stranded and RNA is single stranded
What is one way a mutation is triggered?
x-rays, ultraviolet light radioactive materials, and some chemicals
Transcription is the process of making…
mRNA and DNA
