| ZYGOTE | Cell resulting from the union of an ovum and a spermatozoon |
| GAMETE | Spermatozoon, for instance |
| UNITEDREFORMEDCHURCH | Which Protestant sect was formed in England in 1972 from the union of the Presbyterian and Congregat |
| OOGENESIS | Production or development of an ovum from germ cells in the ovary (9) |
| APHAKIA | Absence of the natural lens of the eye (usually resulting from the removal of cataracts). |
| EGG | Animal reproductive body consisting of an ovum or embryo together with nutritive and protective enve |
| EGGCAPSULE | The protective covering of an ovum (3,7) |
| ORGANISMS | Production or development of an ovum (9) |
| CONFEDERATE | The 11 states of the US that seceded from the Union in 1861 were called the - States (11) |
| TRY | Score worth five points in rugby union resulting from the grounding of the ball in the opponents' In |
| UMBRA | Region of complete shadow resulting from the total obstruction of light by an opaque object, as in a solar eclipse |
| BLACKHOLE | Hypothetical region of space resulting from the collapse of a star (5,4) |
| EGGSHELL | Hard cover of an ovum (8) |
| EGGYOLK | Part of an ovum |
| OOTID | Haploid cell formed by the division of a secondary oocyte that develops into an ovum (5) |
| ANAEMIA | Deficiency in the number of red blood cells resulting in lack of energy (7) |
| OGEE | What is the moulding of a double curve formed by the union of a concave and convex line used for arc |
| DIMINISHING | --- returns, progressively smaller rises in output resulting from the increased application of a single factor of production (11) |
| SAND | Loose, granular component of many soils, resulting from the erosion of siliceous and other rocks (4) |
| REDSHIFT | Name, like a rouge chemise/dress, of an astrophysical phenomenon resulting from the Doppler effect (3,5) |
