Across
- 2. What is an organisms genetic inheritance called?
- 5. What genes are far more influential?
- 10. Twins that results from fertilization of two separate ova by two separate sperm are called what?
- 11. What are reproductive cells are called?
- 12. The period of birth that is during the third and eight week is called what?
- 14. When many teratogens are virtually harmless until exposure reaches a certain level is called what?
- 15. Some teratogens cause damage only during what period?
- 17. What is any agent or condition that results in birth defects or even death?
- 19. The period of birth that is during the 9th week and until birth is called what?
Down
- 1. A baby who is less than 2,500 grams at birth has what?
- 3. Twins that originate from one zygote that splits apart very early in development are called what?
- 4. The period of development during the first 14 days is called what?
- 6. When two gametes that combine and produce a new individual with 23 chromosomes from each parent is called a?
- 7. What has the entire packet of instructions to make living organism?
- 8. What is it called when professionals provide help to prospective parents to understand their genetic risk so that they can make informed decisions?
- 9. What includes all the microbes that have own DNA?
- 13. What is the first epigenetic influence on genes?
- 16. What genes are less influential?
- 18. Variation of a gene or any of the possible forms in which a gene for a particular trait can occur is called an