Multiple Choice
In humans, identical twins are possible because ________.
A) cytoplasmic determinants are distributed unevenly in unfertilised eggs
B) extraembryonic cells interact with the zygote nucleus
C) early blastomeres can form a complete embryo if isolated
D) the grey crescent divides the dorsal-ventral axis into new cells
Correct Answer:
Verified
Correct Answer:
Verified
Q7: The arrangement of organs and tissues in
Q9: A human blastomere is _.<br>A) an embryonic
Q12: The pattern of embryonic development in which
Q20: Cells transplanted from the neural tube of
Q27: During metamorphosis, a tadpole's tail is reduced
Q45: In order to test how sea urchin
Q47: The migratory neural crest cells _.<br>A) form
Q47: A reproductive difference between sea urchins and
Q48: Cells move to new positions as an
Q52: What structural adaptation in chickens allows them