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( Second Section)
T
INHERTANCE IN MAN Some of the phenomena in human inheritance have been observed by the Jainācāryas. Some principles apply to the inheritance of human traits as are suggested by the study of Jaina Biology and Daśadaśās (ten stages of life ).2
The Inheritance of Physical Traits :
The study of some evidences in the Jaina works suggests that the development of each organ of the body is regulated by a large number of genes3 (units of inheritance). The age at which a particular gene expresses itself phenotypically may vary widely as is suggested by ten daśās (stages of human life.
Most characteristics5 develop long before birth but some, such as, hair and eye colour, etc.6 may not appear until shortly after birth. Some
1. The child inherits muscles, blood, brain matter from the mother and bone
(i.e. skeleton ), marrow of the bone, hair on head, beard, hair on body and nail from the father. Besides it inherits five sense-organs, circulatory and respiratory systems, excretory system, endocrine system, digestive system, nervous system,
etc. See Tandula Veyaliya 1, 2, 3, 16. 2. “Āuso ; evam Jāyassa Jamtussa kámeņa dasa dasă evamahjjamti tańjahā - Balā
1 Kidda 2 maída 3 bala ya 4 pannā ya 5 hayani 6 pavarca 7 pabbhāra 8 mummuhi 9 sayāni ya dasama ya 10 Kalada (1) (31.". Tandula Veyaliya p. 15. Biology, p. 501 "gene applies to apy hereditary unit that ca undergo mutation and be detected by the change it produces in the pheno type of the organism,"
Ibid, p. 485. 4. Tandula Veyaliya pp. 15-16. Jāya mittassa, Jamtussa, Ja sa padhamiya dasă /
na attha suham dukkham vă, nahie jāņami balaya (1) (32) Biiyam ca dasam patto, nânākilähim kidai na ya se kām abhogeşu, tlvvá uppajjai rai (2)(33). Taiyam ya dasaṁ patto. pamkamaguņ: naro ! samattho bhūmjiun bhoe, jai se atthi gharo dhuva. (3) (34) Cautthi u bala Dāma, Jam naro dasamassio / samatho balam dariseum, Jai bhave nuruvaddavo (41 135) parcamis dasam patto, anupuvve Jo naro / samattho' atqho viciteum, kudumbam cabhigacchai (5) (56) Chatthio hayaņi Dāmā, Jam paro dasamassio / virajjai u kämesum, imdiesu ya hayai (6) (37) sattami ya pavamcã o, Jam naro dasamassio / nicchubhai cikkaņaṁ khelam, khāsai ya khane khane 7) (38) samkuiyavalicammo, sampatto atthamidasan/ Dariņam ca anittho ya. Jarãe pariņāmino / Jarāghare viņassamte, jivo vasai akamao (9) (40, hiņa bhinnasaro diņo, vivario vicittao/ dubbalo dukhio suyai, sampattoo dasamsm dasan" (10) (41) Tandula Veyāliya
pp. 15-16. 5. Tandula Veyaliya 1, 2, 3, 6. *. Ibid, p. 15 ( Prathama dasā) JB-33
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