For women with a mutated BRCA gene, the risk of breast cancer is about 60%. However, detection of the mutated gene can occur before cancer ever develops by
A) testing of a blood sample.
B) screening mammography.
C) taking a biopsy of breast tissue.
D) a PET scan.
E) urinalysis.
A
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The principal structural components of cilia and flagella are
a. actin microfilaments. b. myosin microfilaments. c. intermediate filaments. d. microtubules. e. collagen fibers.
In electron transport, each of the following respiratory complexes is involved in the flow of electrons from NADH to O2 except
A) complex I. B) complex II. C) complex III. D) complex IV. E) All are involved in the flow of electrons from NADH.
Genetic counseling is the best advice that a physician can give a person about his or her risk of having a child with a genetic disorder while lacking precise statistical evidence
Indicate whether the statement is true or false
A(n) ________ is someone who displays the dominant phenotype but who is heterozygous for a trait and can, therefore, pass the recessive allele to descendants
Fill in the blank(s) with correct word