Genetics

Different forms of a gene are called

• Alleles

• Hybrids

• Genotypes

• Chromosomes

____________ is the scientific study of heredity.

• Trait

• Gene

• Genetics

• Fertilization

Which of the following represents a heterozygous genotype?

• YY

• Yy

• yy

Which of the following terms describes a pattern of inheritance in which one allele is only partially dominant?

• Codominance

• Acquired traits

• Multiple alleles

• Incomplete dominance

Traits that have three or more phenotypes may be the result of _____________ alleles.

• Codominance

• Polygenic inheritance

• Multiple alleles

Genes are carried from parents to offspring on structures called

• Alleles

• Phenotypes

• Chromosomes

• Genotypes

The process of __________ results in the formation of sex cells.

• Mitosis

• Meiosis

• Genetics

• Reproduction

The word ________ describes the factors that control a trait.

• Allele

• Dominant

• Recessive

• Gene

A _______ organism has two different alleles for a trait.

• Hybrid

• Cross

• Dual

A chart that shows all the possible ways alleles combine in a genetic cross

• Punnett Table

• Punnett Chart

• Punnett Square

• Punnett Circle