Assume that a new mutation occurs in the germ line of an individual. What finding would suggest that the new mutation is dominant rather than recessive?
What will be an ideal response?
If dominant and if passed to the next generation, it would be expressed. New recessive mutations are not normally expressed in the next generation unless, through a combination with a like mutation from the other parent, they are homozygous.
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Aneuploidies describe:a
a phenomenon that only occurs in plants. b. a condition in which an extra chromosome is present or one is absent. c. a defect that is always fatal in humans. d. an uncommon condition in humans. e. mutations that almost always have a beneficial effect on an individual.
Which sequence represents the most typical order of events in seed germination?
a. shoot cells divide and elongate ? root cells divide and elongate ? seed coat splits ? water imbibition b. seed coat splits ? water imbibition ? root cells divide and elongate ? shoot cells divide and elongate c. water imbibition ? seed coat splits ? root cells divide and elongate ? shoot cells divide and elongate d. water imbibition ? root cells divide and elongate ? seed coat splits ? shoot cells divide and elongate
The human kidney has an outer cortex, an inner medulla, and a renal pelvis that collects and stores urine before it leaves the kidney.
Answer the following statement true (T) or false (F)
The light reactions of photosynthesis result in which of the following?
A) Oxidation of chlorophyll B) Oxidation of CO2 C) Production of ATP D) Reduction of H2O E) Oxidation of glucose