| They go down the tubes | 22 |
| Fertility lab eggs | 18 |
| Eggs: Lat. | 10 |
| Eggs, to biologists | 19 |
| Eggs, in a lab | 14 |
| Eggs for Cato | 13 |
| Breakfast for Brutus? | 21 |
| Some gametes | 12 |
| Offspring in the offing | 23 |
| Mature female germ cells | 24 |
| Germ cells | 10 |
| Genetic lab eggs | 16 |
| Future fauna, frequently | 24 |
| Fertility lab stock | 19 |
| Fertility clinic topic | 22 |
| Eggs, to a scientist | 20 |
| Eggs, in bio labs | 17 |
| Caesar's salad ingredients? | 31 |
| Aves lay them | 13 |
| They travel through fallopian tubes | 35 |
| They pass through tubes | 23 |
| Some germ cells | 15 |
| Reproduction needs | 18 |
| Potential embryos | 17 |
| Plant gametes | 13 |
| How Bostonians like their eggs? | 31 |
| Fertility clinic donations | 26 |
| Eggs, in labs | 13 |
| Contents of some sacs | 21 |
| Chromosome carriers | 19 |
| What aves produce | 17 |
| Unhatched aves | 14 |
| Twins, once | 11 |
| Some modern donations | 21 |
| Some ducts carry them | 21 |
| Romans' caviar | 18 |
| Roman's roe | 15 |
| Roman roe | 9 |
| Reproductive needs | 18 |
| Part of Caesar's breakfast? | 31 |
| Ovoid objects | 13 |
| Omelette ingredients for Julius | 31 |
| Lab subjects | 12 |
| In vitro items, perhaps | 23 |
| Haploid cells | 13 |
| Genetic lab supplies | 20 |
| Future chicks | 13 |
| Fertility matters | 17 |
| Fertility clinic collection | 27 |
| Fallopian tube traversers | 25 |
| Eggs, to eggheads | 17 |
| Eggs, to Agrippa | 16 |
| Eggs, in the lab | 16 |
| Eggs, in science | 16 |
| Eggs, in old Rome | 17 |
| Eggs, in biology labs | 21 |
| Eggs officio? | 13 |
| Eggs in a clinic | 16 |
| Eggs for Lucullus | 17 |
| Eggs fit for Caesar | 19 |
| Eggs benedictus? | 16 |
| Certain cells | 13 |
| Cells for women only | 20 |
| Cato's eggs | 15 |
| Breakfast item in old Rome? | 27 |
| Beginnings of life | 18 |
| Beginnings of embryos | 21 |
| An avis lays them | 17 |
| Would-be chicks | 15 |
| Women's cells | 17 |
| What some surrogates get | 24 |
| What aves lay | 13 |
| Unhatched aves? | 15 |
| Two of these are needed to produce fraternal twins | 50 |
| Tube travelers? | 15 |
| Topic of reproductive technology | 32 |
| Tiny tube travelers | 19 |
| Things that go through tubes | 28 |
| Things laid by a gallina | 24 |
| Things in tubes | 15 |
| They're often donated to labs | 33 |
| They're laid by aves | 24 |
| They're fertilized | 22 |
| They're fertile | 19 |
| They travel through tubes | 25 |
| They travel down fallopian tubes | 32 |
| They can be fertilized | 22 |
| Surrogacy collection | 20 |
| Surrogacy agency donations | 26 |
| Starts of some reproductions | 28 |
| Sperms' targets | 19 |
| Sperm targets | 13 |
| Some tubes carry them | 21 |
| Some reproductive cells | 23 |
| Some progametes, eventually | 27 |
| Some duct contents | 18 |
| Some cells | 10 |
| Some cell mates? | 16 |
| Sites of many divisions | 23 |
| Sex-ed topic | 12 |