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Subjects
Science State Board
Class 10
Genetics
Structure of chromosomes and DNA replication
10.
Karyotype
Exercise condition:
3
m.
Read these sentences and choose the answer:
1
.
The autosomes make up ___ pair of chromosomes.
21
22
2
.
Nettie Stevens discovered _________ in mealworms in 1905.
somatic chromosomes
sex chromosomes
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