Chapter 12 Unit 3 Flashcards
What were the 2 basic ideas about heredity In the 1800s?
It occurs within species and traits are transmitted directly from both parents to offspring.
Early botanists produced what/
Hybrids
What is a hybrid?
It is a cross of 2 true breeding plants
What is true breeding?
It is where you have 2 copies of identical alleles
What were the 4 reasons Mendel studies pea plants?
- Hybrids could be produced 2. Many varieties were available 3. There were small and easy to grow 4. They can self-fertilize or cross-fertilized
What is phenotype?
It is what it looks like
What is genotype?
It is what alleles it has
What is pollen essentially?
It is the plant sperm
What is monohybrid cross?
It studies only 2 forms of a single trait at a time
Mendel produced true breeding pea strains for blank different traits, each trait with blank alternate forms.
7 and 2
What was Mendel the first to do?
Document it and apply statistics.
What is P1?
It is the grandparent. Parental
What is F1?
It is the parents, a hybrid offspring produced by crossing 2 true-breeding stains
What is dominant?
It is the form of each trait seen in the F1 plants
What is recessive?
It is the form of the trait that disappeared in the F1 plants
