What is a gene?

Genetics in Biology

Quiz
•
Mathematics
•
9th Grade
•
Easy
pranai V
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A gene is a type of protein
A gene is a type of virus
A gene is a sequence of DNA that contains the instructions for building a specific protein or RNA molecule.
A gene is a type of cell
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the difference between genotype and phenotype.
Genotype and phenotype are the same thing
Genotype is only relevant in plants, while phenotype is only relevant in animals
Genotype refers to physical characteristics, while phenotype refers to genetic makeup
Genotype is the genetic makeup, while phenotype is the physical characteristics.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Punnett square used for in genetics?
It is used to determine the gender of an individual
It is used to analyze the evolutionary history of a species
It is used to calculate the speed of genetic mutations
It is used to predict the possible genotypes and phenotypes of offspring.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the process of DNA replication.
DNA replication is the process by which a DNA molecule is copied to produce two identical DNA molecules.
DNA replication is the process of creating RNA molecules.
DNA replication involves the synthesis of proteins.
DNA replication results in the production of non-identical DNA molecules.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a dominant allele?
A dominant allele is a gene that is only present in females.
A dominant allele is a gene that is always expressed in an individual.
A dominant allele is a variation of a gene that will produce a certain phenotype, even if only one copy is present in the genotype.
A dominant allele is a gene that is always masked by a recessive allele.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of genetic variation.
Genetic variation is the diversity in DNA sequences among individuals within a population.
Genetic variation is the same in all individuals within a population.
Genetic variation is caused by environmental factors only.
Genetic variation does not impact the traits of individuals.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a recessive allele?
An allele that is only expressed in homozygotes
An allele that is expressed in heterozygotes
An allele that is not inherited
An allele that is always dominant
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