CK12 Life Science
heterozygous individuals (unaffected individuals with one dominant allele and one recessive allele) survive. This allows the all ...
Chromosomal Disorders Some children are born with genetic defects that are not carried by a single gene. Instead, an error in a ...
misshapen facial features and the infant’s cry resembles a cat’s cry. Lesson Summary Some human traits are controlled by genes ...
Why would it be helpful to know all the genes that make up human DNA? It may be possible in the future to obtain the sequence o ...
To place the gene of interest into a host cell, avector,or carrier molecule, is needed to the carry foreign DNA into the host ce ...
Figure 6.14: This image shows a line drawing of a plasmid. The plasmid is drawn as two concentriccirclesthatareveryclosetogether ...
starts with a single cell from the animal that is going to be cloned. In the case of Dolly, cells from the mammary glands were t ...
Figure 6.17: To complete the Human Genome Project, all 23 pairs of chromosomes in the human body were sequenced. Each chromosome ...
Gene Therapy Gene therapyis the insertion of genes into a person’s cells to cure a genetic disorder. There are two main types of ...
cogenomics, genetic testing (and prenatal diagnosis), and gene therapy. These applications use our knowledge of biology to impro ...
Figure 6.18: Thale cress. ( 10 ) Cloning of mammals is still being perfected, but several cloned animals have been created by i ...
Further Reading / Supplemental Links http://www.ornl.gov/sci/techresources/Human_Genome/home.shtml http://history.nih.gov/exhib ...
Image Sources (1) Rozzychan.http://en.wikipedia.org/wiki/Image:PedigreechartB.png. CC-BY-SA 2.5. (2) http://en.wikipedia.org/wik ...
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Chapter 7 Evolution 7.1 Lesson 7.1: Evolution by Natural Selection Lesson Objectives Understand that inherited traits, such as ...
Who primarily proposed the theory of evolution by natural selection? Introduction Biological evolution is change in species ov ...
Evolution, which is change in species over multiple generations (Figure7.2). Natural selection, in which individuals of a popul ...
Figure 7.3: Human earlobes may be free or attached. You inherited the particular shape of your earlobes from your parents. Inher ...
of examining the specimens he had collected and sent back to England, many of which came from these islands. Figure 7.5: The Gal ...
Figure 7.6: The Galápagos land iguanas are among the signature animals of the Galápagos Islands. ( 32 ) Figure 7.7: The name “Ga ...
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