Curly wing is recessive to straight wing in drosophila. in a cross between true-breeding curly - and straight-winged parental flies, there are 480 flies in the f2 generation. how many f2 progeny should have curly wings?

The passing of traits from parent to offspring is called what

Which function is typical of a decomposed in an ecosystem?

Precapillary sphincters will a. cause blood to flow directly from the metarteriole into the postcapillary venule. b. control blood flow into the true capillaries. c. close when the tissue's needs have been met. d.

Which of the following blood vessels would have the lowest blood pressure? A) One that is small in diameter and has high blood volume B) One that is large in diameter and has low blood volume C) One that is small in diameter and has low blood volume

What can Tobin conclude about the relationship between the enzyme concentration and the reaction rate in the presence of excess molecules?

What is the job of the kidneys

What is mulch and give two materials that can be used as mulch

The DNA structure is similar to a ladder. Choose the molecules that make up the "rails" or sides of the DNA structure. ribose guanine adenine thymine deoxyribose phosphate uracil cytosine

Climate change on earth is thought to be affected by which of the following solar phenomena? A. solar eclipses B. solar flares C. solar prominences D. sunspots

What type ofreproduction produces fungi that are different from either parent