N the accompanying figure, an inadequate supply of which cell may be responsible for anemia?

I

a. cell type A only

b. cell type B only

c. cell type C only

d. cell type D onlye. both cell type A and cell type C


b

Biology & Microbiology

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Which term refers to an expression of only one allele of a gene and the silencing of the other allele, all based on which parent contributed each allele?

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