semester 1 exam part 6 Flashcards
describes how traits can disappear and reappear in a certain pattern from generation to generation
the law of segregation
law of segregation states that
alleles of a gene separate from each other during meiosis
the primary function of DNA is to
store and transmit genetic information
molecules of DNA are composed of long chains of
nucelotides
which of the following is not part of a molecule of DNA
ribose
a nucleotide consists of
sugar
phosphate group
nitrogen containing base
transcription is the process by which genetic information encoded in DNA is transferred to a
RNA molecule
a ribosome has
three binding sites used during translation
the attachment of nucelotides to form a complementary strand of DNA
is catalyzed by DNA polymerase
enzyme responsible for adding nucleotides to the exposed DNA template bases are
DNA polymerase
the function of rRNA is to
form ribosomes
RNA that carries instructions for making proteins
mRNA
piece of DNA closely associated with a gene
genetic marker
determined by crossing over data
chromosome map
autosomal dominant gene
Huntington’s disease
genes found on the same chromosome
linked genes
presence of a gene on a sex chromosome
sex linkage
substitution, deletion, or addition of a single nucleotide
point mutation
failure of homologous chromosomes to separate during meiosis
nondisjunction
controlled by multiple alleles
ABO blood group
if two genes are closely arranged on a chromosome then they will
be inherited together
mutation that does not affect an organism but can be passed on to offspring
germ cell mutation
point mutation that does not result in a frame shift
substitution
genetic disorders in human chromosomes can be determined by removing a small piece of tissue from a structure that lies between the uterus and the placenta. this procedure is called
chorionic villi sampling
