Which of the following is not the example of positive quantitative variations: Variations and Mutations Mcqs July 29, 2019 BILAL KHATTAK0 A.Six arm in starfish B.14 pairs of ribs in man C.Presence of six fingers in man D.Presence of two ear pinnae in man Related Mcqs: Quantitative discontinuous variations are positive when: 8th and 9th pairs of ribs in rabbit are: Continuous variations are small variations from one extreme to the other which are always found amongst members on a same species like variations in shape, colour size, weight etc. These were considered heritable and ‘raw materials’ for evolution by: A pantograph is a mechanism with Firm evidence of organic evolution can be provided by the: Ribs belonging to 10th, 11th and 12th pairs in rabbit are: He _________ his fingers by interfering in his neighbour’s affairs. In case of an elliptical trammel Ackermann steering gear consists of Regulation of heart beat in mammals is only due to: