In a mating between individuals with the genotypes IAIB × IOI, what percentage of the offspring are expected to have the O blood type?
What will be an ideal response?
zero
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The _____ techniqueis most effective for transcriptomics studies in non-model organisms because _____
a. DNA microarray; DNA sequences from related organisms can be used as probes. b. RNA-seq;it is less expensive c. DNA microarray; prior knowledge about the genome sequence is not required. d. RNA-seq; the probes used are smaller than those for DNA microarrays.
e. DNA microarray; fluorescence gives the best indication of gene activity.Choose the hormone that is NOT correctly matched with the endocrine gland that secretes it.
A. adrenal cortex—aldosterone B. pancreas—insulin C. pineal gland—melatonin D. adrenal medulla—cortisol E. posterior lobe of pituitary gland—oxytocin
Cystic fibrosis
a. results from a mutation in a specific membrane transport protein. b. is characterized by inadequate chloride and water movement across epithelial cells. c. causes low grade bacterial infections in the lungs to persist for years. d. is a common, fatal genetic disorder. e. is all of these.
The degree or extent of disease that a pathogen causes is
A) a host factor. B) virulence. C) attenuation. D) pathogenicity. E) toxicity.