WorksheetsUnit 7 Vocabulary
Total questions: 22
Worksheet time: 41mins
Alternative forms of a gene that occupy the same position (locus) on homologous chromosomes and influence the same trait but may have different effects.
(a)
A pattern of inheritance where both alleles of a gene are expressed equally in the phenotype of heterozygous individuals.
Allele
Genotype
Genes
An allele that is expressed in the phenotype even when present in a heterozygous genotype, masking the expression of a recessive allele.
(a)
Segments of DNA that contain the instructions for producing specific proteins or functional RNA molecules, which contribute to the expression of traits.
(a)
Diseases or conditions caused by abnormalities or mutations in genes, such as sickle cell anemia, cystic fibrosis, hemophilia, and Huntington's Disease.
The scientific study of heredity and the variation of inherited traits among individuals and populations.
(a)
The genetic makeup of an organism, represented by the combination of alleles present for a particular trait or traits.
(a)
Having two different alleles for a specific gene in a pair of homologous chromosomes.
(a)
Having two identical alleles for a specific gene in a pair of homologous chromosomes.
(a)
The offspring resulting from a cross between two individuals with different genotypes or species.
(a)
A pattern of inheritance where neither allele is fully dominant, resulting in an intermediate phenotype in heterozygous individuals is known as?
Codominance
Incomplete dominance
Complete dominance
Polygenic inheritance
States that alleles of different genes segregate independently during gamete formation, leading to the random assortment of traits in offspring.
Law of Independent Assortment
Law of Segregation
Law of Dominance
Law of Incomplete Dominance
States that two alleles for a trait segregate (separate) when gametes are formed, ensuring that each parent contributes one allele to their offspring.
Law of Independent Assortment
Law of Segregation
Law of Dominance
Law of Incomplete Dominance
A genetic cross involving one trait, used to predict the outcomes and genotypes of offspring through the use of Punnett Squares and probability calculations, is known as:
Monohybrid Cross
Dihybrid Cross
Test Cross
Backcross
The parental generation in a breeding experiment, consisting of the individuals used as the initial cross to study inheritance patterns.
(a)
A visual representation of the inheritance patterns within a family, used to analyze the transmission of genetic traits over generations is known as:
Phylogenetic tree
Pedigree chart
Karyotype
Genetic map
The observable physical or biochemical characteristics of an organism, determined by its genotype and influenced by environmental factors, are known as?
Phenotype
Genotype
Ecosystem
Biosphere
A trait that is influenced by multiple genes, each contributing to the phenotype in an additive manner is known as?
Mendelian trait
Polygenic trait
Single-gene trait
None of the above
An allele that is expressed in the phenotype only when present in a homozygous genotype, being masked by a dominant allele in a heterozygous genotype is known as?
Dominant allele
Recessive allele
Co-dominant allele
Incomplete dominant allele
A cross between an organism with a dominant phenotype and an organism with a homozygous recessive genotype, used to determine the genotype of the former, is known as:
Monohybrid cross
Dihybrid cross
Test cross
Back cross
Observable characteristics or features of an organism, which can be inherited from parent organisms.
Genes
Phenotypes
Proteins
Enzymes
Traits or genetic disorders that are determined by genes located on the X chromosome are known as:
Autosomal dominant disorders
X-linked disorders
Mitochondrial disorders
Autosomal recessive disorders
