Bio Flashcards
Gregor Mendel used a pea plant to study
The inheritance of traits
Offspring that results from crosses between true breeding parents with different traits
Hybrids
The chemical factors that determine traits are called
Genes
Gregor Mendel concluded that traits are
Inherited through the passing of factors from parent to offspring
Women though crossed a top man with a short plan the F1 plants inherited
An allele for Tallness from tall parent and short from short parent
The principle of Dominance states that
Some allies are dominant and some recessive
When Mendel crossed true breeding tall plants with true breeding short plants , all the offspring were tall because
The allele for tall plants is dominant
A tall plant is crossed with a short plant. If the tall F1 pea plants are allowed to self-pollinate
Some of the offspring will be tall and some short
The principles of probability can be used to
Predict the traits of the offspring produced by genetic crosses
In the P generation a tall plant is crossed with a short plant . The probability that an F2 plant will be tall is
75%
Organisms that have two identical alleles for a particular trait are said to be
Homozygous
In the Punnett square which if the following is tru about offspring from the cross? Tt x TT
All are expected to be tall
The genotypes ratio of the offspring in
2TT:2Tt
Phenotypic ratio
4tall
A punnett shows all the following EXCEPT
The actual results of a genetic cross
