Answer:
The areas that have had the action potential are refractory to a new action potential.
Explanation:
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Answer:
The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.
Explanation:
The aniridia allele in females has to be in the XAXA or XAXa form to be expressed but in males, can be expressed when genotype is XAY.
Migraine headaches allele in females has to be in the XMXM or XMXm form to be expressed but in males, can be expressed when genotype is XMY.
A man with normal vision and without migraines (XaY/XmY) had a father who had aniridia (XAY).
The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.
Answer:
electric things
Explanation:
The magnetic field is generated by electric currents due to the motion of convection currents of a mixture of molten iron and nickel in Earth's outer core these convection currents are caused by heat escaping from the core a natural process called a geodynamo.
The answer to the statement above is TRUE. Recently, Permafrost has been seen in the regions of Eurasia and North America even though glaciers are not even common in this area. Normally, permafrosts are found in the polar regions. These are made up of frozen thick subsurface layer of soil that has remained untouched for years.