Mammalian chimaeras / Anne McLaren.

  • McLaren, Anne.
Date:
[1976]
Catalogue details

Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Mammalian chimaeras / Anne McLaren. Source: Wellcome Collection.

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    36 Sexual development Table 4. The sex ratio in those bodies of data where overt chimaeras {'mixed type\ usually multi-coloured) are distinguished from single-type' animals Author No. of strain combina- tions=^ Overt chimaeras as % total mice from aggregated embryos 'Single-type' О 'Mixed-type' J J+9 Î (7o) CÎ + 9 ^ (7o) ^ Where data from more than one strain combination have been combined, the sex ratios for the individual combinations were in every case homogeneous, o:? ratio significantly different from 1:1 {P < 0.02-0.001). ® о : ? ratio significantly difi'erent from 3:1 (P < 0.001). Table 5. The sex ratio in those bodies of data in which it is not possible to distinguish overt chimaerism Mystkowska & Tarkowski (1968, 1970) Mintz (1969a)^ 250 194 5 56.3 P < 0.01 These data are derived by subtracting the values given in Mintz' Table 2 (two- colour and one-colour mice distinguished, see Table 4 above) from the overall values given in her Table 1 (Mintz, 1969a).