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WorksheetsEhmen Genetics Review
Total questions: 35
Worksheet time: 19mins
Capital letters represent which type of trait?
Dominant
Recessive
Lower case letters represent which type of trait?
Dominance
Recessive.
DNA replication is important to make sure every cell has the exact same copy of the DNA
True
False
All cells go through mitosis including nerve and blood cells.
True
False
________________ are distinguishing characteristics that are inherited.
Traits
Characteristics
Phenotypes
Which is true about Mendel?
He studied pea plants
He observed dominant or recessive traits
He recognized the idea of traits
All of the above are correct
A type of organism whose ancestors are genetically uniform.
Gene
Law of segregation
Purebred
Organisms inherit two copies of each gene, one from each parent.
Gene
Law of segregation
Purebred
Mendel had three conclusions after his experiment with his pea plants, which of the following are correct? This has 3 right answers
Traits demonstrated are inherited as discrete units
Organisms inherit two copies of each gene, one from each parent.
Organisms donate only one copy of each gene in their gametes (sex cell)
Organism donate both copies of each gene in their gametes.
Organisms inherit four copies of each gene, one from each parent.
A piece of DNA that provides a set of instructions to a cell to make a certain protein
Gene
Law of segregation
purebred
Each gene has a _______________, a specific position on a pair of homologous chromosomes.
Locus
Allele
Genotype
Phenotype
The genetic makeup of a specific set of genes
Locus
Allele
Genotype
Phenotype
The physical traits/characteristics of an organism.
Locus
Allele
Genotype
Phenotype
Any alternative forms of a gene that may occur at a specific locus (location).
Locus
Allele
Genotype
Phenotype
Each trait usually has how many alleles making it up.
1
2
3
4
Which of the following alleles show homozygous dominant? This has 2 right answers.
AA
Aa
TT
Zz
gg
Which of the following alleles show homozygous recessive? This has 2 right answers.
AA
Aa
TT
zz
gg
Which of the following alleles show heterozygous? This has 2 right answers.
AA
Aa
TT
Zz
gg
Co-dominant traits can be influenced by multiple genes, environmental interactions can affect their expression
True
False
A punnett square is a grid system for telling parents all genotypes of the offspring.
True
False
Alleles are separated by the box just like ____________ separates chromosomes
Mitosis
Meiosis
Monohybrid crosses examine the inheritance of only ______ specific trait.
1
2
3
4
Exchange of chromosome segments between homologous chromosomes during Prophase I of M I (meiosis I).
Law of independent assortment
Crossing over
Incomplete dominance
Co-dominance
__________________________________________ states that allele pairs separate independently of each other during gamete formation or meiosis
Law of independent assortment
Crossing over
Incomplete dominance
Co-dominance
Both traits are fully and separately expressed
Law of independent assortment
Crossing over
Incomplete dominance
Co-dominance
A heterozygous phenotype is somewhere between two homozygous phenotypes. (Neither allele is completely dominant nor completely recessive)
Law of independent assortment
Crossing over
Incomplete dominance
Co-dominance
______________ alleles code for a certain protein.
Dominant
Recessive
Heterozygous
Incomplete
__________ alleles code for a variation of the protein that has little to no effect on the organism.
Dominant
Recessive
Heterozygous
Incomplete
These chromosomes have nothing to do with determining the sex of an offspring.
Sex Chromosomes
Autosomal Chromosomes
These chromosomes determine the sex of an offspring.
Sex Chromosomes
Autosomal Chromosomes
Skin color, height, and eye color all need multiple genes to interact to determine the phenotype
DNA
Allele
polygenetic
Identify the picture with the vocabulary
Pedigree
Karyotype
DNA
Identify the vocabulary word with the picture
Pedigree
Karyotype
DNA
Identify the vocabulary word
pedigree
karyotype
DNA
Haploid cells have 46 chromosomes and diploid cells have 23 chromosomes
True
False
