The first set of organisms crossed in Mendel's experiments were the _____ generation. (1)

• F1

• Parent

• F2

• Hybrid

The best way to determine the genotype of an unknown parent in the parent generation is to do a _____ where the parent is crossed with a homozygous recessive. (1)

• Pedigree

• Dihybrid cross

• Test cross

• Heterozygous cross

When two different alleles are present in one genotype, the genotype is said to be _____. (1)

• Homozygous

• Pure breeding

• Recessive

• Heterozygous

_____ is/are the process of combining male and female gametes that result in a diploid zygote. (1)

• Fertilization

• Gamete production

• Punnett Squares

• Pedigrees

_____ is the physical appearance of an organism. (1)

• Phenotype

• Genotype

• Dominant trait

• Recessive trait

When there are two identical alleles present in a genotype it is said to be _____. (1)

• Recessive

• Dominant

• Heterozygous

• Homozygous

_____ are the Alternative forms of a gene for each variation of a trait for an organism. (1)

• Phenotypes

• Traits

• Alleles

• Genotypes

_____ is/are the combination of genes in an organism represented by at least two alleles. (1)

• Traits

• Phenotype

• Genotype

• True breeding

A characteristic that is inherited that can be either dominant or recessive is called a _____. (1)

• Trait

• Genotype

• Phenotype

• Gene

Tags

NGSS.HS-LS3-1

_____ is the branch of biology that studies heredity. (1)

• Biology

• Genetics

• Epigenetics

• Meiosis

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2