A
Who is considered the father of genetics?
Gregor Mendel
An organism that always produces descendants with the same trait
Purebred
A MIXTURE of purebred organisms that results in an offspring with a MIXTURE of alleles.
Hybrid
The type of dominance when the dominant trait is always expressed in a hybrid plant
simple
The study of how traits are passed from one generation to the next
heredity
A grid that uses letter to represent alleles and predict offspring inheritance.
Punnett Square
The letters that help you visualize an organisms genetic makeup
genotype
The trait that an organism expresses as determined by its genotype
phenotype
When there is no hidden trait and both are blended together.
incomplete dominance
When the phenotypes of both parents are there and not blended.
codominance
True or False: Seed color is an example of a character and phenotype?
True
Many characteristics have two or more forms of these called what?
traits
Traits that appear in a hybrid are dominant or recessive?
Dominant- you will see the dominant trait displayed
Traits that are hidden in a hybrid
recessive- an organism can be a carrier without displaying the dominant trait.
The study of how traits are passed on from one generation to the next.
Heredity
Give an example of a homozygous genotype
example AA or aa
Give an example of a heterogenus genotype
example aa
A red flower and white flower producing pink offspring is an example of what?
incomplete dominance
a red flower and white flower producing an offspring that is both red and white is an example of?
codominance
True or false: genetic drift is random and completely unpredictable?
true
Natural Selection was a central idea in the work of who?
Charles Darwin
The process through which organisms with certain adaptations survive to pass on their traits to a greater number of offspring that other organisms do.
Natural Selection
would a smaller or larger population be more affected by genetic drift?
smaller
The ratio of alleles in a population changes randomly over time, in a process called?
genetic drift
Give a brief description of simple dominance
the dominant trait always expressed in a hybrid cross.