An X-linked recessive gene (c) produces red-green color blindness. A normal woman whose father was color blind marries a color-blind man. What are the chances that the first son will be color blind?
A. 0%
B. 25%
C. 50%
D. 75%
E. 100%
Answer: C
Biology & Microbiology
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The female gametophyte in flowering plants forms in a _____
a. calyx b. carpel c. receptacle d. corolla e. stamen
Biology & Microbiology
Darwin bred pigeons to have particular traits. Today people breed dogs, cats, horses, and other animals for the same reason. These activities illustrate
A) negative selection. B) positive selection. C) artificial selection. D) veterinary selection.
Biology & Microbiology
An organism that reproduces asexually produces genetically variable offspring
__________________ Indicate whether the statement is true or false.
Biology & Microbiology
Fruit that forms on an unpollinated plant in response to a hormone will lack
A) flavor. B) seeds. C) rind. D) naturally occurring hormones.
Biology & Microbiology