Genetics
Genetics terms
Terms
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- recessive allele
- weaker; can be hidden or masked
- punnett square
- chart that shows all possible combinations for a trait when two parents are crossed
- pedigree
- a type of family tree that shows genetic information for a particular trait
- incomplete dominance
- an inheritance pattern in which there is a blended form of the trait
- guanine
- pairs with cytosine
- chromosomes
- rod-shpaed structures located in the nucleus of every cell in an organism
- sex-linked
- trait that is passed form parent to child of the X chromosome
- mutation
- change in genes or chromosomes that causes a new trait to be inherited
- dominant allele
- powerful; can hide or mask another allele
- multiple alleles
- an inheritance pattern in which traits are controlled by more than two alleles
- thymine
- pairs with adenine
- gene
- a sequence of DNA that determines a trait
- phenotype
- physical appearance of a trait
- probability
- possibility that an event may or may not take place
- trait
- a specific characteristic that can be inherited
- heterozygous
- hybrid, two different alleles
- cytosine
- pairs with guanine
- adenine
- pairs with thymine
- deletion
- mutation where a base is removed
- Gregor Mendel
- father of genetics
- replication
- process in which DNA molecules form exact duplicates
- insertion
- mutation where an extra base is added
- homozygous
- pure, two of the same alleles
- phenotypic ratio
- dom. : rec.
- codominance
- an inheritance pattern where both allele are expressed because they have equal dominance
- genotype
- a set of alleles (or gene pair) for a trait
- heredity
- passing along of traits from parent to offspring
- substition
- mutation where an incorrect base replaces another
- genetics
- the study of heredity
- genotypic ratio
- homo. dom. : hetero. : homo. rec.
- allele
- different forms of a gene or one member of a gene pair