Question

An egg cell and sperm cell join together to form a _____.
(1 point)
Responses

zygote
zygote

placenta
placenta

blastocyst
blastocyst

fetus

Answer 1

zygote

Answer 2

A week after fertilization, a blastocyst attaches to the lining of the _____.
(1 point)
Responses

ovaries
ovaries

uterus
uterus

fallopian tubes
fallopian tubes

ovum

Answer 3

uterus