Albinism is a recessive disorder. Rapinder is
an albino and his partner, Janeen has normal
pigmented skin. Her father was also an albino.
Janeen is pregnant and Rapinder is the father.
What is the probability that they will have
normal pigmented child?
a. 0%
b. 25%
c. 50%
d. 75%
e. 100%
C
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If a mutation occurred in the cadherin gene so that the cytoplasmic domain no longer attached to the cytoskeleton, which of the following would occur?
A. Cadherins in desmosomes would no longer be anchored to intermediate filaments. B. Cadherins in adherens junctions would no longer be anchored to microtubules. C. Cadherins in hemidesmosomes would no longer be anchored to intermediate filaments. D. Cadherins in desmosomes would no longer be anchored to microfilaments.
In eastern Oregon, the mycelium of a single individual Armillaria ostoyae, a member of the fungal
phylum ____, covers an area equivalent to 1665 football fields (nearly 6000 m across).
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Tissues are best characterized as ________ .
a. the smallest units of life b. fundamental units of all substances, living or not c. an organized array of cells that interact in a collective task d. biological complexes made up of smaller units called molecules e. structural units of interacting organs
tRNAs will move from the A site to the P site to the E site during protein synthesis. These sites are found in:
A) tRNA. B) the nucleus. C) the large ribosomal subunit. D) the small ribosomal subunit. E) mRNA.