The allele for hemophilia is on the X chromosome and is a _____.
- sex-linked gene
- hybrid gene
- homozygous gene
- heterozygous
_____ is the passing of traits from one generation to another.
- Genotype
- Genetic engineering
- Hybridization
- Heredity
The different forms a gene may have for a trait are called _____.
- polygenic inheritance
- phenotype
- hybrids
- alleles
In _____ both alleles are expressed in offspring.
- incomplete dominance
- sex-linked genes
- genetic engineering
- complete dominance
A plant that receives different genetic information from each parent is a(n) _____.
- hybrid
- allele
- phenotype
- sex-linked gene
A _____ trait covers up other traits
- dominant
- recessive
- heterozygous
- homozygous
In a Punnett square, a small letter (t) stands for a _____ allele.
- homozygous
- dominant
- recessive
- heterozygous
A tool used to predict the possible offspring of a mating is called a _____.
- Phonetic square
- Punnett square
- Polygenic square
- Hereditic square
The genetic makeup of an organism is called its _____.
- inheritance
- allele
- phenotype
- genotype
_____ is the way an organism looks and behaves as a result of its genotype.
- Phenotype
- Prototype
- Punnettype
- Hereditype
The study of how traits are inherited through the interactions of alleles is _____.
- genetic engineering
- genetics
- biology
- psychology
Through _____ scientists are experimenting to change the arrangement of DNA in a gene.
- genetic engineering
- hybridization
- polygenic inheritance
- recessive manipulation
An organism with two alleles that are exactly the same is _____.
- homozygous
- heterozygous
- recessive
- dominant
_____ occurs when a group of gene pairs acts together to produce a single trait.
- Genotyping
- Genetic engineering
- Incomplete dominance
- Polygenic inheritance
An organism that has two different alleles for a trait is _____.
- heterozygous
- homzygous
- recessive
- dominant
A type of inheritance where more than one gene controls a trait is _____.
- homozygous
- homogenous
- heterozygous
- polygenic
An organism whose two alleles for a trait are exactly the same is _____.
- homozygous
- homogenous
- heterozygous
- polygenic
Every organism has a specific number of _____.
- chromosomes
- meiosis
- embryos
- mutations
_____ influences on genes can be internal or external.
- Environmental
- Cryogenic
- Maternal
- Paternal
One pair of chromosomes determines sex of an organism. XX means the offspring will be _____.
- male
- female
- mutant
- normal
One pair of chromosomes determines sex of an organism. XY means the offspring will be _____.
- male
- female
- mutant
- normal
_____ is used to help produce large volumes of medicine.
- Genetic engineering
- Polygenics
- Photogenic engineering
- Cryogenics
_____ DNA is made by inserting a useful segment of DNA from one organism into a bacterium.
- Combatant
- Recombinant
- Artificial
- Original
_____ determined the basic laws of genetics.
- Albert Einstein
- Isaac Newton
- Eric Mendelson
- Gregor Mendel
When a pair of chromosomes separates during _____, the different alleles move into separate sex cells.
- meiosis
- mitosis
- halitosis
- oasis