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Unformatted text preview: 1 MCB 141 Developmental Biology Lecture #5 Feb. 2, 2010 Temporal aspects Gurken signals during egg development within the female ovary Gurken and Torpedo also control D/V axis of egg shells (made by follicle cells) Dorsal does not move into nucleus until the embryo has reached cycle 10 (two hrs after fertilization and laying) Rescue of eggs laid by Gd/Gd can still be carried out after egg laying (injection of Gd protein) XXX ventralized What is wrong here? XXX ventralized This part is ne 2 XXX ventralized What is wrong here? XXX ventralized This is correct, but only if the torpedo deFcient mother is mated to a torpedo deFcient father for donor pole cells. [Need cells to be torpedo/torpedo] AND Recipient embryo was produced by torpedo/torpedo+ female mated to a male that was tor/tor or tor/tor+ XXX ventralized Make sure you understand what happens if you do the same analysis with gurken mutation....
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This document was uploaded on 02/16/2010.
- Spring '09