What do the sperm and the ovum each contribute at conception?
A) 23 pairs of chromosomes
B) 2 chromosomes, one X and one Y
C) 23 single chromosomes
D) 2 chromosomes (X or Y) and 45 genes
Correct Answer:
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Q1: Irving and Sarah were told by their
Q3: What occurs in the zygote as it
Q7: What is the result of the "crossing-over"
Q8: Which ability of the zygote is accounted
Q10: Genetic uniqueness is ensured by the Mendelian
Q35: Which individuals are genetically identical?
A)monozygotic twins
B)dizygotic siblings
C)fraternal
Q36: What is mitosis?
A)the process of cell division
Q57: What is meiosis?
A)the process of cell division
Q80: What is the term for the particular
Q122: When does cellular mitosis end?
A)at conception
B)at birth
C)at
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