Test Your Knowledge on Heredity!

Test Your Knowledge on Heredity!

Put your biology knowledge to the test and see how well you understand the concept of heredity.

published on February 04
1/12

Which scientist is known as the 'father of genetics'?

Gregor Mendel
Charles Darwin
Louis Pasteur
Albert Einstein
2/12

What is the basic unit of heredity?

Gene
Chromosome
DNA
Allele
3/12

Which of the following represents a dominant trait?

Which of the following represents a dominant trait?
Tallness
Blue eyes
Attached earlobes
Type O blood
4/12

What is the term for the physical appearance of an organism?

What is the term for the physical appearance of an organism?
Phenotype
Genotype
Homozygous
Heterozygous
5/12

Which of the following represents a recessive trait?

Blue eyes
Tallness
Curly hair
Type A blood
6/12

What is the term for an organism that has two of the same alleles for a particular trait?

Homozygous
Heterozygous
Phenotype
Genotype
7/12

Which genetic disorder is caused by the presence of an extra chromosome 21?

Down syndrome
Cystic fibrosis
Huntington's disease
Sickle cell anemia
8/12

What is the likelihood that offspring will inherit a recessive trait if both parents are carriers?

What is the likelihood that offspring will inherit a recessive trait if both parents are carriers?
25%
50%
75%
100%
9/12

Which of the following represents a sex-linked trait?

Which of the following represents a sex-linked trait?
Color blindness
Curly hair
Type AB blood
Attached earlobes
10/12

What is the term for the variety of alleles of a gene in a population?

Genetic diversity
Gene pool
Recombination
Mutation
11/12

How many chromosomes are in a human somatic cell?

How many chromosomes are in a human somatic cell?
46
23
44
48
12/12

What type of cell division produces gametes?

Meiosis
Mitosis
Binary fission
Budding