Which piece of evidence is most likely to indicate a gene within a genome?

A) A unique sequence within a genome is 80% similar in human, mouse, and zebrafish.
B) A sequence is unique to a nematode genome.
C) An identical open reading frame is found in two species of fruit fly.
D) A sequence is repeated multiple times in the human genome.
E) A sequence is 50% identical between human and chimp but does not include an open reading frame.


A) A unique sequence within a genome is 80% similar in human, mouse, and zebrafish.

Biology & Microbiology

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What is a homeobox?

A. a cluster of homeotic genes B. a sequence within a homeotic gene that encodes the DNA-binding portion of a transcription factor C. the portion of the promoter to which a homeoprotein binds to activate transcription of genes important for development D. an enhancer region needed for expression of a homeotic gene E. none of these are correct

Biology & Microbiology

Match the essential nutrient category with the probable effects a deficiency might cause.

1. Muscle loss, weakened immune system. 2. Hair loss, dry skin. 3. Muscle weakness, weight loss. a. Fats b. Carbohydrates c. Proteins

Biology & Microbiology

In human prenatal development, cleavage occurs in the ____

a. cervix b. upper part of the uterus c. vagina d. oviduct e. ovary

Biology & Microbiology

Pollination occurs when the pollen of a flower lands on which plant structure?

What will be an ideal response?

Biology & Microbiology