The shaded individuals in the pedigree diagram below have a recessive trait called attached earlobes.
1.
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II
The person labeled A is best described as:
A. a male with at least one dominant allele.
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B. a female with at least one dominant allele.
C. a male with two dominant alleles.
D. a female with two dominant alleles.

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano