Across
- 3. similarities among the parents and the progeny.
- 6. a sequence of nucleotides, which forms a molecule of DNA.
- 8. gave the concept of evolution as descent with modification.
- 11. the origin of species new from existing.
- 12. change in the frequencyof some genecaused by chance factor alone.
- 14. insects have well developed eyes with ______ vision.
- 15. he used the pea plant to study the mechanism of inheritance of characters.
Down
- 1. they contain a set of 23 chromosomes bearing the entire set of genes.
- 2. a cross considering 2 pairs of contrasting characters.
- 4. the study of heredity and variation.
- 5. it constitutes small but significant changes in common charateristics of population a species.
- 7. a flatworm having rudimentary eyes consisting of a few photosensitive cells.
- 9. the hormone that causes tallness in pea plant.
- 10. differences among individual related by descent.
- 13. preserved remains or impressions of organisms that lived in the past.
- 16. the chemical basis of heredity.