5/5/22 Flashcards
T/F Unlike DNA, RNA has the nitrogen base uracil
Answer: True
T/F Chromosomes are made up of proteins joined together like beads on a string
Answer: False
T/F each time a coin is tossed there is a 75% chance the coin will land heads up
Answer: False
T/F Probability is a number that describes how likely it is that an event will happen
Answer: True
T/F the passing of traits from parents to the offspring is called codominance
Answer: False
A change in a gene or chromosome is called __________
Answer: Mutation
____ is the process by which the numbers of chromosomes is reduced by half to form sex cells
Answer: Meiosis
According to the chromosome theory of inheritance ____ are carried from the parent to the offspring
Answer: Genes
_____ is an organism that has 2 different traits
Answer: heterozygous
The different forms of a gene are called ______
Answer: Allele
An allele whose trait always shows up in an organism when the allele is present is a ____
Answer: Dominant
When a plant has 2 dominant alleles for tall stems how is is written
Answer: 2 Dominant Capital Ts
The likelihood that an event will happen is called
Answer: Probability
An organism’s phenotype is its ______ appearance
Answer: Physical
For Codominant traits heterozygous organisms have a phenotype that shows only the _____ allele
Answer: Dominant allele
If the body cells of an organism has 12 chromosomes how many chromosomes do the sex cells have
Answer: 24
Punnett Squares are useful because they show the _____ results of a genetic cross
Answer: Possible
The main functions of genes is to control the production of ______
Answer: Protein
The cytoplasm is the part of the cell in which _____ is made
Answer: Protein
In the first stage of protein synthesis messenger _____ is made using DNA as its pattern
Answer: RNA
