8. Sınıf Fen Bilimleri 2. Ünite – DNA ve Genetik Kod

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8. Sınıf Fen Bilimleri 2. Ünite - DNA ve Genetik Kod

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Başlamak İçin Adınızı Yazınız.

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1. Aşağıdakilerden hangisine göre nükleotid isimlendirilir?

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2. DNA ya ismini veren yapının adı nedir?

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3. "Baz, Deoksriboz, Riboz ve Fosfat"Verilenlerden kaç tanesi tüm canlılarda ortak görülür?

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4. Aşağıda verilenlerden hangileri diğerlerinden farklıdır?

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5. Kalıtım ile ilgili verilen kavramlardan hangisi yanlıştır?

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6. DNA molekülünün bir zincirindeki baz dizilişi AGCTAATCCG şeklindedir. ikinci zincir nasıl olmalı?

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7. Çevresel etkilerle meydana gelen, kalıtsal olmayan değişikliklere ne ad verilir ?

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8. Aşağıdaki yapılardan hangisi ya da hangileri nükleotidin yapısında bulunur ?

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9. Kahverengi saçlı Anne ve Babanın, Kız ve Erkek çocuklarının saç rengi aşağ. hangisi olabilir?

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10. Hangisi yaşadığı ortama nemli derisi ve ayaklarındaki perdeler sayesinde adaptasyon sağlar ?

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11. Bir DNA molekülünde A: 250, G :150'dir. Buna göre DNA molekülünde toplam kaç tane şeker bulunur?

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12. Aşağıdakilerden hangisi mutasyona sebep olamaz?

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13. Aşağıda verilenlerden hangisi insanlarda özellik bakımından Resesiftir?

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14. DNA ile ilgili aşağıdakilerden hangisi doğrudur?

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15. Aşağıdakilerden hangisi doğrudur?

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16. Aşağıdaki çaprazlamalardan hangisinde heterozigot birey oluşma olasılığı fazladır ?

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17. Aa X AA genotipe sahip bir ailenin çocuklarının genotip oranları nasıldır?

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18. Aşağıdakilerden hangisi doğrudur?

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19. Hangisinin sıra ve sayısındaki değişiklikler canlıların kalıtsal olarak farklı olmasını sağlar ?

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20. Mutasyonlarla ilgili hangisi yanlış bir bilgidir?

Skorunuz

Testi değerlendirmek için lütfen yıldızları kontrol edin





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