Mendelian Genetics Quiz

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Test your knowledge of Mendelian genetics with these fun and challenging questions!

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Abbey

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Mendelian Genetics Quiz


Mendelian Genetics QuizOnline version Test your knowledge of Mendelian genetics with these fun and challenging questions! by Abbey 1 What is Mendel's Law of Dominance? a Organisms inherit two copies of each gene, one from each parent, and donate one copy of each gene in their gametes. b When an organism is heterozygous for a trait, it expresses only the dominant allele (the dominant allele masks the recessive allele). c Alleles for separate traits are passed independently of one another. d Dominant alleles are only shown when homozygous. 2 What is Mendel's Law of Independent Assortment? a Organisms inherit two copies of each gene, one from each parent, and donate one copy of each gene in their gametes. b When an organism is heterogeneous for a trait, it expresses only the dominant allele (the dominant allele masks the recessive allele). c Alleles for separate traits are passed independently of one another. d Dominant alleles are only shown when homozygous. 3 Find all of the homozygous recessive genotypes: Choose one or more answers a AA b Aa c aa d BB e f 4 Find all the heterozygous dominant genotypes: Choose one or more answers a AA b Aa c aa d BB e Bb f bb 5 Find all the homozygous dominant traits: Choose one or more answers a AA b Aa c aa d BB e Bb f bb 6 What kind of cross crosses two traits? a Dihybrid b Singular c Monohybrid d Multiple 7 What type of genetic cross crosses only one trait? a Monohybrid b Dihybrid c Singular d Multiple 8 What can a Punnett square show? a All possible offspring of one individual. b All possible offspring of a genetic cross. c One offspring. d One generation. 9 What is an example of a recessive allele? a Aa b AA c aa d Ab 10 What is a recessive allele? a The allele that is expressed when two different alleles (Aa) or two dominant alleles are present (AA). b The combination of different alleles. c The physical characteristics or traits of an individual organism (blue eyes, dimples, tall plant, etc.) d The allele that is only expressed when two copies are present (aa). 11 What shows a dominant allele? (Select all that apply) Choose one or more answers a BB b bb c Bb d aa 12 What is a dominant allele? a The allele that is expressed when two different alleles (Aa) or two dominant alleles are present (AA). b The allele that is expressed when two copies are present (aa). c The allele that is NOT expressed when two different alleles or two dominant alleles are present. d Distinguishing characteristics that are inherited from an organism's parents. 13 What is an example of an organism's phenotype? a BB b Blue eyes c bb d Recessive alleles 14 What is an example of an organism's genotype? a Blue eyes b Wrinkled Peas c Bb d Dimples 15 What does 'heterozygous' mean? a Genes in an organism's DNA that are dominant b Alleles inherited from an organisms parents are the same c Genes in an organism's DNA that are recessive d Alleles inherited from an organisms parents are different 16 What does the term 'homozygous' mean? a Both alleles an organism receives from parents are different b Genes in an organisms DNA that are dominant c Both alleles an organism receives from parents are the same d Genes in an organisms DNA that are recessive 17 What is an example of a trait? a Hair color b Brown hair c Short hair d Curly hair 18 What is an example of an allele? a Eye color b Good vision c Blue eyes d Wearing glasses 19 What are alleles? a Different versions of a gene b Pieces of DNA that provide instructions to make certain proteins c Something you can observe d When two organisms are crossed/reproduced 20 What is Mendel's Law of Segregation? a Splitting apart two different genes b Separating two organisms to keep them from crossing c Organisms inherit two copies of each gene, one from each parent d Organisms inherit one copy of each gene, only from one parent. 21 What is a cross in genetics? a A shape made by two intersecting lines b To walk across a street c To mix two different solutions together d The mating/reproduction of two organisms 22 What are distinguishing characteristics that are inherited? a Traits b Genes c Alleles d Chromosomes 23 Select all the observable traits Mendel found in his pea plants: Choose one or more answers a Flower color b Pea taste c Seed shape & color d Pod shape & color e Plant height f Flower position 24 How many traits did Mendel observe in his pea plants? a 8 b 9 c 6 d 7 25 Why were Mendel's experiments on pea plants so successful? a They were very time consuming. b They involved many different plants. c They were very carefully designed and controlled. d They proved he was wrong. 26 What are genes? a Observable characteristics b Discrete units of DNA that provide instructions to make protein and keep their separate identities when passed from generation to generation c Proteins in the mitochondria d Cellular division through meiosis 27 What kinds of plants did Gregor Mendel become fascinated with? Choose one or more answers a Carrot b Tomato c Cucumber d Pea 28 What is the basic unit of heredity in Mendelian genetics? a Gene b Chromosome c DNA d RNA 29 Who is known as the father of modern genetics? a James Watson b Gregor Mendel c Francis Crick d Charles Darwin 30 In Mendel's experiments, what trait was dominant in pea plants? a Tall plants b Short plants c White flowers d Purple flowers 31 What does a Punnett square illustrate? a Cell division b Gene mutations c Genetic crosses d Chromosome structure 32 What is the term for different forms of a gene expressed as different characteristics? a Genotypes b Phenotypes c Alleles d Chromatids

Mendelian Genetics Quiz

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Mendelian Genetics QuizOnline version

by Abbey

What is Mendel's Law of Dominance?

What is Mendel's Law of Independent Assortment?

Find all of the homozygous recessive genotypes:

Find all the heterozygous dominant genotypes:

Find all the homozygous dominant traits:

What kind of cross crosses two traits?

What type of genetic cross crosses only one trait?

What can a Punnett square show?

What is an example of a recessive allele?

What is a recessive allele?

What shows a dominant allele? (Select all that apply)

What is a dominant allele?

What is an example of an organism's phenotype?

What is an example of an organism's genotype?

What does 'heterozygous' mean?

What does the term 'homozygous' mean?

What is an example of a trait?

What is an example of an allele?

What are alleles?

What is Mendel's Law of Segregation?

What is a cross in genetics?

What are distinguishing characteristics that are inherited?

Select all the observable traits Mendel found in his pea plants:

How many traits did Mendel observe in his pea plants?

Why were Mendel's experiments on pea plants so successful?

What are genes?

What kinds of plants did Gregor Mendel become fascinated with?

What is the basic unit of heredity in Mendelian genetics?

Who is known as the father of modern genetics?

In Mendel's experiments, what trait was dominant in pea plants?

What does a Punnett square illustrate?

What is the term for different forms of a gene expressed as different characteristics?