Bio 93 Lecture 20
The flashcards below were created by user
A discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA
the scientific study of hereditary and hereditary variation
Experimental genetics began in a/an __________
Modern genetics began with Gregor Mendel's quantitative experiments with ____ plants
What are some examples of model organisms?
an observable heritable feature
any detectable variation in a genetic character
Mendel chose pea plant characteristics where one _________ is dependent on one _________
In pea plants purple is ______ to white
In pea plants green is ______ to yellow
In pea plants round is ______ to wrinkled
The quantitative analysis of results observed in the F2 generation offspring led Mendel to discover the _______________ known as the ___________ and the __________
principles of heredity, law of segregation, law of independent assortment
Gene for flower color come from ____
Offspring inherit _____ allele(s) from each parent
The ______ allele determines appearance
Define the Law of Segregation
two alleles for each character segregate from each other into different gametes
What is an allele?
alternative forms of a gene
Alternative forms of a gene (allele) reside at
the same locus on homologous chromosomes
What does genotype determine?
What is the Law of Independent Assortment?
alleles assort independently during gamete formation
When does the segregation of alleles take place?
Anaphase I of Meiosis
When is the multiplication rule used? (punnett square)
when trying to calculate the probability of multiple traits in multiple punnett squares
When is the addition rule used? (punnett square)
When trying to calculate the probability of one trait in a single punnett square
Bio 93 Lecture 20
Mendel Gene Final