Hereditary Quiz

What is a breeding experiment dealing with a single character called?

• Monohybrid cross

• Test cross

• Back cross

• Dihybrid cross

What is the phenotype ratio in the F2 generation of a monohybrid cross for plant height?

• 9:3:3:1

• 1:1

• 3:1

• 1:2:1

What is the genotype of the F1 generation in a monohybrid cross for seed color in pea plants?

• 100% Homozygous dominant

• 100% Heterozygous

• 50% Homozygous dominant and 50% Heterozygous

• 100% Homozygous recessive

What is the law that states a dominant gene will express itself over the recessive gene?

• Law of independent assortment

• Law of multiple alleles

• Law of segregation

• Law of dominance

What is the section of DNA that provides information for one protein called?

• Chromosome

• Allele

• Gene

• Genome

What percentage of progenies in F2 generation will show recessive character?

• 25%

• 75%

• 0%

• 50%

What determines the height of a plant according to the given text?

• Amount of water

• Type of soil

• Plant hormone

• Amount of sunlight

What will be the phenotype of a pea plant with the genotype 'yy' for seed color?

• Short

• Tall

• Green

• Yellow

What is the genotypic ratio in the F2 generation of a monohybrid cross for seed color in pea plants?

• 1:1

• 9:3:3:1

• 1:2:1

• 3:1

What is the law that states during the production of gametes, two copies of each hereditary factor segregate so that offspring acquire one factor from each parent?

• Law of segregation

• Law of multiple alleles

• Law of dominance

• Law of independent assortment