Examlex
If a baby were born with an incompletely formed digestive system and lung problems as the result of a problem very early in development, the most likely cause would be with the development of the:
Germ Layers
The three primary layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo from which all tissues and organs develop.
Fertilized Egg
A fertilized egg is the result of the fusion of a male sperm cell and a female ovum, marking the beginning of a new organism's development.
Umbilical Blood Vessels
The blood vessels in the umbilical cord that carry oxygen and nutrients from the mother to the fetus and waste products back to the mother.
Homeotic Genes
Genes that regulate the development of anatomical structures in various organisms during embryonic development.
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