Most individuals with histoplasmosis exhibit a hypersensitive state that can be demonstrated by the histoplasmin skin test.
Answer the following statement true (T) or false (F)
True
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When Mendel crossed pure breeding peas having yellow seed color (YY) with pure breeding peas having green seed color (yy), all of the offspring had yellow seed color. These results mean that yellow seed color is the
A) genotype. B) dominant phenotype. C) mode of inheritance. D) recessive phenotype.
Large pressure gradients arise in sieve tube systems by means of:
a. evaporation b. tension c. osmosis d. transpiration e. cohesion
Which of the three gasses is the easiest to break apart: nitrogen gas (N2), oxygen gas (O2), or hydrogen gas (H2)? Which is the most difficult to break apart? What accounts for the differences?
What will be an ideal response?
Which of the following techniques is most commonly used in the prenatal diagnosis of genetic disorders, such as cystic fibrosis, in a human fetus?
A) Chorionic villus sampling B) Isolation of fetal cells from maternal blood C) Amniocentesis