Albinism results from a recessive allele. Which of the following describes the expected offspring from a normally pigmented male (who had an albino father) and an albino wife?
A) All albino
B) 50% normal; 50% albino
C) All normal
D) 75% normal; 25% albino
E) 75% albino; 25% normal
B
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What technical advance made it possible to crystallize DNA?
What will be an ideal response?
The water lattice illustrated in the figure above forms as a result of ____ between water molecules
a. covalent bonds b. hydrogen bonds c. nonpolar interactions d. ionic bonds e. van der Walls forces
Which of the following processes will occur in the presence or absence of oxygen?
glycolysis electron transport chain oxidative phosphorylation cellular respiration citric acid cycle
The variety and abundance of the different species that make up a community is the ________ of a community
A) conservation biology B) ecosystem diversity C) species diversity D) genetic diversity E) ecosystem services