What is the phenotypic ratio of the offspring of two parents who do not show any signs of the deafness but are carriers (Dd)?


Answer: 3:1

Biology & Microbiology

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Helicobacter pylori appears to have some connection with

A. acid reflux disease. B. ulcers. C. dental caries. D. stomach cancer. E. ulcers AND stomach cancer

Biology & Microbiology

Florists often create brightly colored flowers by immersing the stems in colored water. Which

cells are primarily responsible for this color change?

a. phloem b. xylem c. xylem and phloem d. neither xylem nor phloem

Biology & Microbiology

The smallest and most numerous blood vessels are the ______.

a) veins b) artery c) capillaries d) venules e) arterioles

Biology & Microbiology

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

1. Chromatin is composed of DNA and special packaging proteins called hopanoids. 2. A resolution of 1 ?m would be better than a resolution of 0.5 ?m. 3. All types of radiation are used for microscopy.

Biology & Microbiology