Answer:
E) oxytocin.
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These pairs of forces are known as <u>action</u> reaction pairs because one pushes against the other with an equal but opposite force.
7.
C) Spinal column
8.
D) Moist
Answer:
This disorder is caused by mutations in either of two different genes; one of these genes is linked to the DNA marker locus and the other gene is not.
Explanation:
A gene marker (also known as a molecular marker) is defined as a particular DNA sequence that has a specific physical location on a given chromosome. The gene markers are always physically linked with genes of interest, thereby they are useful for identifying patients affected by a given disease and/or a particular phenotypic trait. In this case, in the first study, genetic variation of the marker has been shown to be useful to map one <em>locus</em> that is associated with the disease phenotype. However, in the second study, a second <em>locus</em> that is not linked to the marker can segregate independently, thereby showing different results from the first study (in this case, it is imperative to develop a new genetic linkage analysis to discover genetic markers linked to the second gene, which is also responsible for the disease phenotype).
Answer:
c. polygenic
Explanation:
Polygenic trait is trait that is controlled by more than one gene. This is different than Mendelian genetics in which one gene controls one trait (e.g. flower color). Expressed phenotype is mix of all genes that control it (each gene has the same influence on phenotype).
Traits that are polygenic are height, skin and hair color, intelligence etc.