5/2/22 Flashcards
True or False: unlike DNA, RNA has the nitrogen base uracil
true
True or False: chromosomes are made up of proteins joined together like beads on a string
false
True or False: each time a coin is tossed there is a 75% chance the coin will land heads up
false
True or False: probability is a number that describes how likely it is that an event will happen
true
True or False: the passing of traits from parents to the offspring is called codominance
false
a change in a gene or chromosome is called a
mutation
__ is the process by which the numbers of chromosomes is reduced by half to form sex cells
meiosis
according to the chromosome theory of inheritance __ are carried from the parent to their offspring
genes
__ is an organism that has 2 different trait
heterozygous
the different forms of a gene are called
alleles
an allele whose trait always shows up in an organism when the allele is present is
dominant
when a plant has 2 dominant alleles for tall stems how is it written
2 capital T’s (TT)