The cell penetrated by the sperm at fertilization is ovum .
(1) A method of reproduction that involves the union of male (sperm) and female (ovum) gametes (each with a single, haploid set of chromosomes) to produce a diploid zygote.
Thus,The cell penetrated by the sperm at fertilization is ovum .
To learn more about fertilization click here:
https://brainly.com/question/3204813
#SPJ1