genetics Flashcards
transcription
from DNA to mRNA
translation
from mRNA to amino acid chain
mutation
any inherited alteration of genetic material
polymorphism
always good!
100% physiologic/can’t cause disease
The function of DNA polymerase is to
perform base-pairing in replication
An accurate description of a silent mutation is
a change in the DNA without a change in amino acid
What chemical complex is secreted into the cytoplasm and synthesized in the nucleolus?
ribosomes
Which of the following terms describes a cell that does not contain a multiple of 23 chromosomes?
aneuploid
A female patient born with short stature, webbing of the neck, sparse body hair, and narrowing of the aorta is likely exhibiting symptomology of:
Turner syndrome
A patient born with the deletion of the short arm of the chromosome 5 is exhibiting a characteristic of:
cri-du-chat syndrome
It is true that autosomal dominant gene transmission results in:
he affected parent transmitting the gene to half of his or her children.
Which of the following is a TRUE statement regarding autosomal recessive trait inheritance? It is true that autosomal recessive trait inheritance results in:
both males and females being affected equally.
Regarding sex-linked inheritance, it is true that:
X-linked recessive diseases are more common than X-linked dominant diseases
if homologous chromosomes fail to separate during meiosis, the disorder is
nondisjunction
recessive disorder
individual is homozygous for a gene
