In a certain plant, when individuals with blue flowers are crossed with individuals with blue flowers, only blue flowers are produced. Plants with red flowers crossed with plants with red flowers sometimes produce only red flowers, although
other times they produce either red or blue flowers. When plants with red flowers are crossed with plants with blue
flowers, sometimes only red flowers are produced; other times either red or blue flowers are produced. Which gene is
dominant?
What will be an ideal response?
ANSWER: Red
ANSWER: c
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Approximately ____ genes have been identified in the genome of Arabidopsis thaliana
a. 5,400 b. 28,000 c. 67,000 d. 120,000 e. 3,200,000
A selective medium contains one or more substances that inhibit growth of some microbes to facilitate the growth of other desired microbes.
Answer the following statement true (T) or false (F)
The 30-cm floral tube of the flower Angraecum and the 35-cm proboscis of its hawk moth pollinator are the result of
a. preadaptation. b. adaptive radiation. c. coevolution. d. convergent evolution. e. key innovation.
This image shows _____
1.passive transport
2.exocytosis
3.endocytosis
4.pseudopods surrounding a pathogen