38 Questions
What type of genetic cross involves two different characteristics?
Dihybrid Cross
In which genetic situation does the dominant allele completely mask the recessive allele in the heterozygous condition?
Complete Dominance
What is the term for a situation where offspring have an intermediate phenotype between the two parents?
Incomplete Dominance
Which type of inheritance has both alleles equally expressed in the phenotype?
Co-dominance
What does 'Multiple Alleles' refer to in genetics?
Having more than two alternative forms of a gene at the same locus
What is chromatin?
A complex of DNA and proteins found in the nucleus of cells
What are alleles?
Different forms of a gene that occur at the same locus on homologous chromosomes
In genetics, what is the genotype of an organism?
The genetic makeup of an organism, determining its specific characteristics
What happens when a recessive allele is in the heterozygous condition?
It is masked in the phenotype
According to the Law of Dominance, what happens when two homozygous organisms with contrasting traits are crossed?
All individuals of the first generation (F1) will display the dominant trait
What is the genetic makeup of an organism?
Genotype
What are different forms of a gene that occur at the same locus on homologous chromosomes?
Alleles
When does a recessive allele get expressed in an organism's phenotype?
In the homozygous condition only
Which law states that individuals of the first generation will display the dominant trait when two homozygous contrasting organisms are crossed?
Law of Dominance
What is a complex of DNA and proteins found in the nucleus of cells, which condenses to form chromosomes during cell division?
Genes
In genetics, what term describes an organism with two identical alleles for a trait?
Homozygous
What type of allele is expressed in the phenotype whether in homozygous or heterozygous condition?
Dominant allele
In genetics, what is the term for a genetic cross involving only one characteristic or trait?
Monohybrid Cross
When an individual is heterozygous for a particular characteristic, what is exhibited in the phenotype?
Dominant trait
What type of inheritance results in offspring with an intermediate phenotype, different from both parents?
Co-dominance
Which term describes a genetic situation where the dominant allele completely masks the expression of the recessive allele in the heterozygous condition?
Complete Dominance
What does 'Multiple Alleles' refer to in genetics?
Having more than two alternative forms of a gene at a locus
In which genetic cross are two different characteristics involved?
Dihybrid Cross
If two alleles are equally expressed in the phenotype, what type of inheritance is observed?
Co-dominance
What is the genetic makeup of an organism?
Genotype
In genetics, what term describes an organism with two identical alleles for a trait?
Homozygous
Which term describes the physical appearance of an organism based on its genotype?
Phenotype
What type of alleles are masked in the phenotype when in the heterozygous condition?
Recessive alleles
Which term refers to different forms of a gene that occur at the same locus on homologous chromosomes?
Alleles
When an organism is homozygous for a trait, how many identical alleles does it have?
Two
'Chromatin' is best described as a complex of DNA and proteins found in the nucleus of cells that __________.
Condenses to form chromosomes during cell division
In a monohybrid cross involving a heterozygous individual, which trait will be exhibited in the phenotype?
Dominant trait
What type of inheritance is observed when a genetic situation completely masks the expression of the recessive allele in the heterozygous condition?
Complete dominance
When two phenotypically different parents produce offspring with an intermediate phenotype, what type of inheritance is involved?
Incomplete dominance
What does 'co-dominance' refer to in genetics?
Two alleles equally expressed in the phenotype
In genetics, what is the term for having more than two alternative forms of a gene at the same locus?
Multiple alleles
When a dihybrid cross involves two different characteristics, what type of genetic cross is being performed?
Monohybrid cross
What genetic situation involves offspring with an intermediate phenotype that is different from both parents?
Incomplete dominance
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