Heredity and sex . XM »C X Fig. 36. — Reciprocal cross of Fig. 35. Parents, white-eyed 9 and red-eyed $, (criss-cross inheritance). F\, red-eyed 9. white-eyed $. F2, red-eyed 9 and $ ; white-eyed 9 and $. To right, sex chromo-somes (as in Fig. 35). Fig. 37 (upper two lines). If the i^i red-eyed malefrom the first cross (Fig. 35) is bred to a white-eyedfemale, he will produce red-eyed daughters and white-eyed sons. Fig. 37 (lower two lines). The same relations may next be illustrated by an-other sex-linked character. 66 HEREDITY AND SEX A male with short or miniature wings appeared inmy culture
Heredity and sex . XM »C X Fig. 36. — Reciprocal cross of Fig. 35. Parents, white-eyed 9 and red-eyed $, (criss-cross inheritance). F\, red-eyed 9. white-eyed $. F2, red-eyed 9 and $ ; white-eyed 9 and $. To right, sex chromo-somes (as in Fig. 35). Fig. 37 (upper two lines). If the i^i red-eyed malefrom the first cross (Fig. 35) is bred to a white-eyedfemale, he will produce red-eyed daughters and white-eyed sons. Fig. 37 (lower two lines). The same relations may next be illustrated by an-other sex-linked character. 66 HEREDITY AND SEX A male with short or miniature wings appeared inmy cultures (Fig. 38). Mated to long-winged femalesonly long-winged offspring were produced. Whenthese were mated to each other, there were produced. X K KX X X
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjectsex, bookyear1913
