Genetics and Meiosis Quiz

What does sexual reproduction produce instead of clones?

• Gametes with identical DNA

• Identical twins

• Genetically unique offspring

• Exact copies of one parent

What are the reproductive cells called?

• Chromosomes

• Mitochondria

• Nuclei

• Gametes

What type of cell division is required to produce gametes?

• Mitosis

• Fission

• Meiosis

• Duplication

What are gametes considered in terms of ploidy?

• Tetraploid

• Triploid

• Haploid

• Diploid

During which phase do homologous chromosomes pair off?

• Metaphase I

• Prophase I

• Anaphase I

• Telophase I

What is the result of crossing over?

• Chromosomes duplicating

• Formation of identical twins

• Gametes becoming diploid

• Exchange of alleles between chromosomes

What condition is caused by an extra copy of chromosome 21?

• Down Syndrome

• Klinefelter Syndrome

• Turner Syndrome

• Trisomy X

What is the significance of independent assortment?

• It ensures chromosomes duplicate correctly

• It increases genetic diversity

• It prevents nondisjunction

• It creates identical gametes

What does random fertilization contribute to?

• Chromosome duplication

• Nondisjunction

• Genetic uniformity

• Genetic diversity

How many possible chromosome arrangements are there in human gametes before fertilization?

• One million

• Eight million

• Sixty-four trillion

• Infinite