Science Quiz / 20 Questions - Genetics

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Can you answer the 20 questions about genetics?

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1. Alternative forms of a gene
2. The exchange of genetic material during prophase I of meiosis. It results in new allele combinations
3. Cell with two copies of each chromosome
4. An observed trait that is the same whether the individual is homozygous or heterozygous; it masks the recessive form of a trait
5. Haploid sex-cells
6. All the genes in an organism
7. A cell with one copy of each chromosome
8. When an individual carries two different alleles for a trait
9. When an individual carries two copies of the same alleles for a trait
10. Type of cell division where one diploid cell produces four unique haploid cells
11. The outward appearance caused by genes
12. Trait that is masked by a dominant gene on the same chromosome
13.When the heterozygote expresses two dominant traits at the same time
14. When the phenotype of the heterozygote is in between those of the homozygotes
15. A chromosome that is not a sex chromosome
16. When one gene masks the expression of another on a different chromosome
17. The physical position of a gene on a chromosome
18. When a homozygous recessive individual is crossed to an individual of an unknown genotype to discover the unknown genotype
19. The most common allele in a population; the non-mutant allele
20. A visual representation of family inheritance

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