Why is the term GMO a misnomer for transgenic organisms?
What will be an ideal response?
Humans have been genetically modifying crop plants for thousands of years by artificial selection, which has dramatically increased the yield and nutritional value of crop plants. There is now an alternative to artificial selection: genes can be transferred into crop plants using biotechnology. These transgenic plants are produced faster and more precisely than by plant breeding and carry specific new phenotypic characteristics such as resistance to insects or herbicides. The transferred gene can originate from another plant, an animal, or even from fungi or bacteria. In contrast to selective breeding, which transfers hundreds or thousands of genes in each cross, transgenic plants receive only one or a few specific genes. In the media, transgenic plants are often called genetically modified organisms (GMOs) or genetically modified (GM) plants. However, in the larger picture, all crop plants have been genetically modified over thousands of years by selection and crossbreeding before the use of biotechnology to accomplish the same goal.
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The general term for disorder associated with decreased oxygen delivery by blood is ____
a. malaria b. leukemia c. mononucleosis d. anemia e. toxemia
A statistical relation indicating that two or more aspects of the natural world behave in an interrelated manner: if one shows a particular value, we can predict a particular value for the other aspect.
Choose the true statements about species that show convergent evolution. Check all that apply.A) They do not share a recent common ancestor.B) They must be found in the same biogeographical region.C) They are subject to similar selection pressures.D) They have similar phenotypes.
What will be an ideal response?
The correct sequence of plant cell wall layers, beginning with the outermost layer and progressing
inward to the plasma membrane is ____.
a. secondary cell wall, middle lamella, primary cell wall b. middle lamella, primary cell wall, secondary cell wall c. middle lamella, secondary cell wall, primary cell wall d. secondary cell wall, primary cell wall, middle lamella e. primary cell wall, middle lamella, primary cell wall