Stem Cells Crossword

early stage of a developing organism
a cell that can differentiate into many different cell types
developing human baby from week nine to birth
environmental factor that causes gene mutations
structure in an ovary where an egg develops
refers to a cell that can differentiate into all different cell types
a hollow fluid-filled structure
pre-birth developement in humans
a primary germ layer
union of egg and sperm to form a zygote
ectoderm, mesoderm and endoderm
a process where malignant tumours spread throughout the body
refers to a cell that can differentiate into a number of closely related cells
gene that signals cells to continue dividing
release of an egg from the ovary
potential source of embryonic cells
fertilised egg that results from the fusion of haploid gametes
membrane bound organelle containing the genetic material DNA
unspecialised
to become more specialised
cells of the outer layer of the blastocyst
female gamete
male gamete
the middle layer of cells or tissues of an embryo
a disease caused by an uncontrolled division of abnormal cells in a part of the body
an undifferentiated cell of a multicellular organism
replicate a fragment of DNA
cell division that results in two daughter cells
cell division that results in four daughter cells
a defect involving chromosome 21
thread-like structure composed of DNA and protein
cover flat surfaces
a tumour of melanin-forming cells