In Labrador retrievers, coat color is governed by two different genes-TYRP1 controls the amount of brown pigment, while MC1R alleles control the color. This type of inheritance is called____.

A. multigenic inheritance
B. codominance
C. incomplete dominance
D. epistasis
E. pleiotropy


Answer: D

Biology & Microbiology

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Eukaryotes arose about ________ years after the first prokaryotes

A) 3.0 million B) 1.7 billion C) 3.5 billion D) 4.0 billion

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Land next to the sea has more variable climate than land farther from the sea.

Answer the following statement true (T) or false (F)

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Food (organic molecules such as glucose) is produced in the 

A. mitochondria. B. nucleolus. C. centriole. D. chloroplast.

Biology & Microbiology