Genetics Quiz

What is the study of genes and heredity called?

• Phenotype

• Genetics

• Allele

• Trait

What is the fusion of male and female gametes to form a zygote known as?

• Segregation

• Fertilization

• Meiosis

• Crossing Over

What term describes a characteristic or feature of an organism?

• Trait

• Genotype

• Gamete

• Tetrad

What is the separation of alleles during gamete formation called?

• Homologous

• Heterozygous

• Segregation

• Diploid

What is a reproductive cell (sperm or egg) with half the usual number of chromosomes called?

• Gamete

• Tetrad

• Haploid

• Allele

What is a group of four chromatids formed during prophase I of meiosis called?

• Genotype

• Tetrad

• Phenotype

• Punnett Square

What is the likelihood of an event occurring called?

• Probability

• Trait

• Genotype

• Allele

What term describes the observable traits of an organism?

• Genotype

• Phenotype

• Heterozygous

• Homologous

What are alternative forms of a gene called?

• Allele

• Trait

• Gamete

• Tetrad

What is the genetic makeup of an organism called?

• Phenotype

• Genotype

• Trait

• Allele