20 Questions
What does the Law of Dominance state?
The dominant allele completely masks the expression of the recessive allele.
Which genetic concept involves having more than two alternative forms of a gene at the same locus?
Multiple Alleles
What is a Monohybrid Cross?
A genetic cross involving only one characteristic.
In Mendel's pea plant experiments, which genotype would result in tall plants according to Complete Dominance?
Tt
What happens in Incomplete Dominance?
Offspring exhibit a blend or intermediate phenotype.
Which type of inheritance leads to a phenotype showing both traits without blending?
Co-dominance
What does Mendel's Principle of Segregation state?
Alleles segregate during gamete formation.
What is the typical format for representing a genetics cross?
Utilizing Punnett squares and allele letters.
In a Monohybrid Cross, what is the focus on?
Inheritance of single traits
What does Co-dominance result in?
A blend or intermediate phenotype
What is the genetic makeup of an organism known as?
Genotype
Which term refers to different forms of a gene that occur at the same locus on homologous chromosomes?
Allele
In genetics, what is a segment of DNA that contains the code for a specific trait?
Gene
What term describes the physical appearance of an organism based on its genotype?
Phenotype
An organism with two identical alleles for a trait is considered to be:
Homozygous
Which term refers to long threads of DNA that carry genetic information?
Chromosomes
What type of alleles are expressed in the phenotype whether in homozygous or heterozygous condition?
Dominant alleles
When are recessive alleles expressed in the phenotype?
Only in homozygous condition
What is the term used to describe two different alleles at the same locus on homologous chromosomes?
Heterozygous
What determines the specific characteristics of an organism?
Genotype
This quiz covers key concepts in genetics and inheritance, including chromatin, chromosomes, genes, and alleles. Learn about the structure of DNA, genetic information, and how traits are passed down through generations.
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