Pertanyaan
5. Seorang ayah penderita Hemofilia (X^hY) menikah dengan seorang ibu yang carrier Hemofilia (XX^h) Dengan digram persilangan , tentukanlah persentase kemungkinan anak - anaknya normal, carrier , atau penderita.
Jawaban
Genotype Orang Tua:
* Ayah: XhY (Penderita Hemofilia)
* Ibu: XXh (Carrier Hemofilia)
Diagram Persilangan:
| | X | Xh |
|----------|--------|-------------|
| Xh | XhX | XhXh |
| Y | XY | XhY |
Hasil:
* XhX: Anak perempuan carrier (50%)
* XhXh: Anak perempuan penderita (25%)
* XY: Anak laki-laki normal (25%)
* XhY: Anak laki-laki penderita (25%)
Kesimpulan:
* Kemungkinan anak normal: 25% (anak laki-laki)
* Kemungkinan anak carrier: 50% (anak perempuan)
* Kemungkinan anak penderita: 50% (25% anak perempuan dan 25% anak laki-laki)
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