Question 13

(Multiple Choice)

Upon examination of a zygote, a developmental biologist discovers that it possesses 47 chromosomes. What does this indicate?


A)The zygote resulted from polyspermy (multiple fertilizations of the same oocyte)by two sperm cells
B)The zygote is a normal, healthy diploid zygote
C)Either the sperm or the egg received an extra chromosome as the result of a meiotic error
D)Either the sperm or the egg had one less chromosome than normal as the result of a meiotic error

Answer