Unlock the principles of inheritance with 10th Class Biology MCQs. Topics like Mendel’s laws, genetic disorders, and patterns of inheritance are included. With trending keywords like “inheritance MCQs for competitive exams” and “genetics quiz questions,” enhance your exam readiness.
The passing of traits from parents to offspring is known as:
a) Evolution
b) Inheritance
c) Mutation
d) Reproduction
The segment of DNA that carries the genetic information for a specific trait is called a:
a) Gene
b) Chromosome
c) Allele
d) Nucleotide
The different forms of a gene for a particular trait are called:
a) Genes
b) Chromosomes
c) Alleles
d) Nucleotides
The physical appearance of an organism based on its genetic makeup is known as its:
a) Genotype
b) Phenotype
c) Chromosome
d) Allele
An organism with two different alleles for a specific trait is said to be:
a) Homozygous
b) Heterozygous
c) Dominant
d) Recessive
The genetic makeup of an organism, representing the combination of alleles it carries, is called its:
a) Genotype
b) Phenotype
c) Homozygous
d) Heterozygous
A genetic trait that is expressed even when only one copy of the allele is present is called:
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous
A genetic trait that is expressed only when two copies of the allele are present is called:
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous
The physical appearance of an organism is determined by its:
a) Genotype
b) Phenotype
c) Alleles
d) Genes
The likelihood of a specific trait being passed from parents to offspring is influenced by:
a) Evolution
b) Mutation
c) Probability
d) Reproduction
Mendel’s experiments with pea plants laid the foundation for the study of:
a) Evolution
b) Genetics
c) Reproduction
d) Mutation
The law that states that the alleles of a gene separate during the formation of gametes is known as:
a) Law of Dominance
b) Law of Segregation
c) Law of Independent Assortment
d) Law of Inheritance
The genetic makeup of an organism is represented using:
a) Genes
b) Alleles
c) Chromosomes
d) Letters
An organism with two identical alleles for a specific trait is said to be:
a) Homozygous
b) Heterozygous
c) Dominant
d) Recessive
The observable traits of an organism are determined by its:
a) Genotype
b) Phenotype
c) Alleles
d) Genes
Mendel’s law that states that the alleles of different genes separate independently of one
another during gamete formation is known as:
a) Law of Dominance
b) Law of Segregation
c) Law of Independent Assortment
d) Law of Inheritance
The genetic makeup of an organism is determined by the combination of alleles it possesses for each trait. This combination is known as the:
a) Genotype
b) Phenotype
c) Alleles
d) Chromosome
An organism with two different alleles for a specific trait is called:
a) Homozygous
b) Heterozygous
c) Dominant
d) Recessive
The physical appearance of an organism based on its genetic makeup is known as its:
a) Genotype
b) Phenotype
c) Chromosome
d) Allele
A genetic trait that is expressed even when only one copy of the allele is present is called:
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous
A genetic trait that is expressed only when two copies of the allele are present is called:
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous
The physical appearance of an organism is determined by its:
a) Genotype
b) Phenotype
c) Alleles
d) Genes
The likelihood of a specific trait being passed from parents to offspring is influenced by:
a) Evolution
b) Mutation
c) Probability
d) Reproduction
Mendel’s experiments with pea plants laid the foundation for the study of:
a) Evolution
b) Genetics
c) Reproduction
d) Mutation
The law that states that the alleles of a gene separate during the formation of gametes is known as:
a) Law of Dominance
b) Law of Segregation
c) Law of Independent Assortment
d) Law of Inheritance
The genetic makeup of an organism is represented using:
a) Genes
b) Alleles
c) Chromosomes
d) Letters
An organism with two identical alleles for a specific trait is said to be:
a) Homozygous
b) Heterozygous
c) Dominant
d) Recessive
The observable traits of an organism are determined by its:
a) Genotype
b) Phenotype
c) Alleles
d) Genes
Mendel’s law that states that the alleles of different genes separate independently of one
another during gamete formation is known as:
a) Law of Dominance
b) Law of Segregation
c) Law of Independent Assortment
d) Law of Inheritance
The genetic makeup of an organism is determined by the combination of alleles it possesses for each trait. This combination is known as the:
a) Genotype
b) Phenotype
c) Alleles
d) Chromosome
An organism with two different alleles for a specific trait is called:
a) Homozygous
b) Heterozygous
c) Dominant
d) Recessive
The physical appearance of an organism based on its genetic makeup is known as its:
a) Genotype
b) Phenotype
c) Chromosome
d) Allele
A genetic trait that is expressed even when only one copy of the allele is present is called:
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous
A genetic trait that is expressed only when two copies of the allele are present is called:
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous
The physical appearance of an organism is determined by its:
a) Genotype
b) Phenotype
c) Alleles
d) Genes
The likelihood of a specific trait being passed from parents to offspring is influenced by:
a) Evolution
b) Mutation
c) Probability
d) Reproduction
Mendel’s experiments with pea plants laid the foundation for the study of:
a) Evolution
b) Genetics
c) Reproduction
d) Mutation
The law that states that the alleles of a gene separate during the formation of gametes is known as:
a) Law of Dominance
b) Law of Segregation
c) Law of Independent Assortment
d) Law of Inheritance
The genetic makeup of an organism is represented using:
a) Genes
b) Alleles
c) Chromosomes
d) Letters
An organism with two identical alleles for a specific trait is said to be:
a) Homozygous
b) Heterozygous
c) Dominant
d) Recessive
The observable traits of an organism are determined by its:
a) Genotype
b) Phenotype
c) Alleles
d) Genes
Mendel’s law that states that the alleles of different genes separate independently of one
another during gamete formation is known as:
a) Law of Dominance
b) Law of Segregation
c) Law of Independent Assortment
d) Law of Inheritance
The genetic makeup of an organism is determined by the combination of alleles it possesses for each trait. This combination is known as the:
a) Genotype
b) Phenotype
c) Alleles
d) Chromosome
An organism with two different alleles for a specific trait is called:
a) Homozygous
b) Heterozygous
c) Dominant
d) Recessive
The physical appearance of an organism based on its genetic makeup is known as its:
a) Genotype
b) Phenotype
c) Chromosome
d) Allele
A genetic trait that is expressed even when only one copy of the allele is present is called:
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous
a) Dominant
b) Recessive
c) Homozygous
d) Heterozygous
The physical appearance of an organism is determined by its:
a) Genotype
b) Phenotype
c) Alleles
d) Genes
The likelihood of a specific trait being passed from parents to offspring is influenced by:
a) Evolution
b) Mutation
c) Probability
d) Reproduction
Mendel’s experiments with pea plants laid the foundation for the study of:
a) Evolution
b) Genetics
c) Reproduction
d) Mutation
The law that states that the alleles of a gene separate during the formation of gametes is known as:
a) Law of Dominance
b) Law of Segregation
c) Law of Independent Assortment
d) Law of Inheritance
The genetic makeup of an organism is represented using:
a) Genes
b) Alleles
c) Chromosomes
d) Letters
An organism with two identical alleles for a specific trait is said to be:
a) Homozygous
b) Heterozygous
c) Dominant
d) Recessive
The observable traits of an organism are determined by its:
a) Genotype
b) Phenotype
c) Alleles
d) Genes
Mendel’s law that states that the alleles of different genes separate independently of one
another during gamete formation is known as:
a) Law of Dominance
b) Law of Segregation
c) Law of Independent Assortment
d) Law of Inheritance
The genetic makeup of an organism is determined by the combination of alleles it possesses for each trait. This combination is known as the:
a) Genotype
b) Phenotype
c) Alleles
d) Chromosome
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