
PS Genetics
Quiz
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
Anneth Rahman
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satuan terkecil penyusun sifat makhluk hidup yang memiliki materi genetik utk diwariskan dari induk ke keturunannya adalah …
Sel
Kromosom
DNA
Gen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan alel yang sama disebut …
Homozigot
Heterozigot
Genotipe
Fenotipe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alel yang selalu menutupi alel lain jika berpasangan disebut …
Resesif
Dominan
Kodominan
Intermediet
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Warna bunga merah (R) dominan terhadap putih (r). Tanaman dengan genotipe Rr akan menampakkan bunga berwarna …
Merah
Putih
Merah muda
Ungu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perbandingan fenotipe pada persilangan monohibrid heterozigot (Rr × Rr) adalah …
1:1
2:2
3:1
1:2:1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam hukum Mendel I, setiap pasangan alel akan …
Menyatu pada saat gamet terbentuk
Berpisah secara bebas saat pembentukan gamet
Bekerja sama membentuk sifat baru
Hilang jika tidak dominan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil dari persilangan RR × rr adalah …
Semua Rr
50% RR, 50% rr
75% RR, 25% rr
100% RR
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alel resesif dapat muncul kembali pada generasi F2 karena …
Alel resesif berubah menjadi dominan
Gamet membawa kombinasi alel yang berbeda
Alel resesif hilang pada generasi sebelumnya
Hanya ada satu macam alel dalam gamet
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