Podcast
Questions and Answers
What is an allele?
What is an allele?
- A type of chromosome
- A genetic mutation
- A gene that codes for flower color
- Any of the alternative forms of a gene that may occur at a specific locus (correct)
How many alleles do your cells have for each gene?
How many alleles do your cells have for each gene?
- Two (correct)
- Four
- Three
- One
What does homozygous mean?
What does homozygous mean?
- Having only one chromosome
- Having two different alleles at a specific locus
- The process of cell division
- Describing two of the same alleles at a specific locus (correct)
In genetics, what does heterozygous refer to?
In genetics, what does heterozygous refer to?
How many alleles are there in a homozygous individual for a specific gene?
How many alleles are there in a homozygous individual for a specific gene?
What term describes the allele that is only expressed when two copies are present?
What term describes the allele that is only expressed when two copies are present?
Why is an allele considered dominant in a heterozygote?
Why is an allele considered dominant in a heterozygote?
How are alleles typically represented on paper?
How are alleles typically represented on paper?
In Mendel's experiments, what type of flowers were observed in the F1 plants?
In Mendel's experiments, what type of flowers were observed in the F1 plants?
How is the genotype for a trait typically represented using letters?
How is the genotype for a trait typically represented using letters?
What is the main focus of the Human Genome Project?
What is the main focus of the Human Genome Project?
What term is used to describe all of an organism’s genetic material?
What term is used to describe all of an organism’s genetic material?
Which term typically refers to the genetic makeup of a specific set of genes?
Which term typically refers to the genetic makeup of a specific set of genes?
What is expressed when an organism is heterozygous for a trait?
What is expressed when an organism is heterozygous for a trait?
What do we call the physical characteristics of an individual organism?
What do we call the physical characteristics of an individual organism?
If a pea plant has one allele for purple flowers and one for white flowers, what color will the flowers most likely be?
If a pea plant has one allele for purple flowers and one for white flowers, what color will the flowers most likely be?