File:Critique of the Theory of Evolution Fig 066.jpg
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| Description | Fig. 66. Cross between black vestigial and gray long flies. Two pairs of factors involved in the second group. The F1 female is back crossed (to right) to black vestigial male; and the F1 male is back crossed to black vestigial female (to left). Crossing over takes place in the F1 female but not in the F1 male. |
| Date | |
| Source | A Critique of the Theory of Evolution., available freely at Project Gutenberg |
| Author | Thomas Hunt Morgan |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:15, 17 January 2011 | | 900 × 754 (46 KB) | wikimediacommons>Keith Edkins | {{Information |Description=Fig. 66. Cross between black vestigial and gray long flies. Two pairs of factors involved in the second group. The F1 female is back crossed (to right) to black vestigial male; and the F1 male is back crossed to black vestigial |
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