Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
True-breeding
|
If allowed to self pollinate, these organisms woul dproduce offspring identical to themselves.
|
|
|
Trait
|
A specific characteristic, such as seed color or plant heigth.
|
|
|
Hybrids
|
The offspring of a cross between parents with different traits.
|
|
|
Genes
|
The chemical factors that determines traits.
|
|
|
The different forms of gens are called_____
|
alleles.
|
|
|
Some alleles are_____, and others are____.
|
Dominant, recessive.
|
|
|
Segregaton
|
The seperation of alleles.
|
|
|
Gametes
|
Sex cells
|
|
|
Probability
|
The likelihood that a particulare event will occur.
|
|
|
The principles of probability can be used to predict the outcomes of_________.
|
Genetic crosses.
|
|
|
Punnet squares.
|
Shows all the possible resultes of a genetic cross.
|
|
|
Homozygous
|
Organisms that have two identical alleles for a particular trait.
|
|
|
Heterozygous
|
Oranisms that have two different alleales for the same trait.
|
|
|
Phenotype
|
Physical characteristics. (Tall and red, or short and pink, ect..)
|
|
|
Genotype
|
Genetis makeup. (Tt for tall tt for short, ect..)
|
|
|
Independent assortment
|
Where the alleles for one trait segregate independently from those of another trait.
|
|
|
The __________________ states that genes for different traits can segrigate independently during the formation of gametes.
|
Principle of independent assortment.
|
|
|
Some alleles are neither ______ or ______, and many traits are controlled by multiple alleles or multiple genes.
|
dominat, recessive.
|
|
|
Incomplete dominance
|
A case in which one allele is not completely dominant over another.
|
|
|
Codominance
|
A similar situation to incomplete dominace in which both alleles contribute to the phenotype of the organism.
|
|
|
Many genes have more than two alleles and are therefore said to have______.
|
multiple alleles.
|
|
|
Poltgenic traits
|
Traits controlled by two or more genes.
|
|
|
Gregor Mendel
|
His experiments with pea plants laid the forndation of the sience of genetics.
|
