A human sperm cell possesses autosomes and
A) a Y chromosome always.
B) exactly the same genetic information as a body cell.
C) both an X and a Y chromosome.
D) an X chromosome always.
E) either an X or a Y chromosome.
E
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The amount of phenotypic variation in a group that is due to genetic variation is called heritability
Indicate whether the statement is true or false
The digestion and utilization of this material creates the greatest need for nitrogenous waste secretion by the kidneys.
A. collagen B. amylose C. oleic acid D. glucose E. lactose
As temperatures rise, photorespiration activity ____, because gas exchange via the ____ is inhibited
a. increases; grana b. decreases; grana c. increases; stroma d. decreases; stroma e. increases; stomata
Describe the experiment performed by Ivan Pavlov that helped support the idea of classical conditioning.
What will be an ideal response?