A _____ is the basic unit of genetic instruction.
A) zygote
B) gene
C) chromosome
D) teratogen
Correct Answer:
Verified
Q9: Which is the correct order of the
Q10: Molecules of DNA that hold the genetic
Q11: The germinal stage of development is completed
Q12: For a male fetus, the father contributes
Q13: The embryonic stage of prenatal development begins
Q15: Which statement about stage theories is FALSE?
A)
Q16: To her amazement, Nora learns that her
Q17: Sperm cells contain _ chromosomes, and egg
Q18: The _ stage of prenatal development is
Q19: It is during the _ stage of
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