In genomic imprinting:a
a gene is imprinted with the phenotype of the parent, passing it to a progeny.
b. the expression of a gene depends on the parental phenotype.
c. a gene is imprinted with the age of the parent, passing it to the progeny.
d. the expression of a gene depends on which parent it is inherited from.
e. is a place where a part of a chromatid is attached to a chromosome
D
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Explain horizontal gene transfer and demonstrate how this phenomenon has complicated evolutionary studies using a diagram that illustrates phylogenetic relationships between organisms and genes
What will be an ideal response?
Some drugs are now being delivered into cells through liposomes, where the drug is surrounded by a phospholipid bilayer. How do the drugs enter into the cell?
A. The drug destroys the liposome and is transported via diffusion into the cell. B. The liposome cuts a hole in the cell and injects the drug into the cell. C. The liposome fuses with the phospholipid bilayer of the cell. D. Protein channels on the cell surface transport the liposomes into the cell.
In which pair of organisms would you predict the DNA sequences of the ?-globin gene family are the most similar?
A. dolphin and bumble bee B. catfish and crocodile C. snake and mouse D. frog and cheetah E. human and chimpanzee
Assuming complete dominance, a phenotypic ratio of ________ is expected from a monohybrid sib or self-cross
A) 2:1 B) 1:1 C) 3:2 D) 5:2 E) 3:1