Genetic Inheritance and Transformation in Biology Quiz

Explore genetic inheritance and transformation with questions on Mendel, DNA replication, mutations, and more in this biology quiz.

#1

Which scientist is known as the 'Father of Genetics'?

Charles Darwin
Gregor Mendel
Louis Pasteur
Francis Crick
#2

What is the name of the process by which genetic information is transferred from DNA to RNA?

Replication
Transcription
Translation
Transformation
#3

Which scientist discovered the structure of DNA?

James Watson
Rosalind Franklin
Francis Crick
Linus Pauling
#4

What is the term for the exchange of genetic material between homologous chromosomes during meiosis?

Mutation
Crossing over
Translocation
Recombination
#5

In a monohybrid cross between two heterozygous parents (Aa), what is the probability of obtaining a homozygous recessive offspring?

25%
50%
75%
0%
#6

What is the name of the process where one piece of DNA is inserted into another DNA molecule?

Replication
Translation
Transcription
Recombination
#7

In Mendel's experiments with pea plants, if a plant with a dominant allele for tall (T) is crossed with a plant with a recessive allele for short (t), what would be the phenotype of the F1 generation?

All tall
All short
Half tall, half short
None of the above
#8

What term is used to describe an observable trait that is expressed by an organism and determined by its genes?

Genotype
Phenotype
Allele
Homozygous
#9

Which of the following is a sex-linked genetic disorder?

Sickle cell anemia
Cystic fibrosis
Hemophilia
Huntington's disease
#10

What is the term for a section of DNA that codes for a specific protein?

Intron
Exon
Operon
Promoter
#11

Which of the following is not a characteristic of DNA replication?

Semiconservative
Bidirectional
Unidirectional
High fidelity
#12

In a dihybrid cross, if an individual with genotype AaBb is crossed with another individual with genotype AaBb, what is the phenotypic ratio in the offspring?

9:3:3:1
1:2:1
3:1
1:1:1:1
#13

Which of the following is an example of a point mutation?

Deletion
Insertion
Substitution
Frameshift
#14

Which type of mutation results in the addition or removal of nucleotides from a DNA sequence?

Silent mutation
Missense mutation
Nonsense mutation
Frameshift mutation
#15

What is the term for the phenomenon where a single gene influences multiple phenotypic traits?

Polygenic inheritance
Epistasis
Pleiotropy
Incomplete dominance

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