Topic 3 - Mendelian Genetics Flashcards
Who is Gregor Mendel?
A scientist known for his work in genetics and heredity
What subjects did Gregor Mendel study in Vienna?
Mathematics and natural history
Where did Mendel conduct his experiments?
In the monastery gardens
What type of plants did Mendel use for his breeding experiments?
Pea plants
What characteristics of pea plants did Mendel observe?
Smooth peas, wrinkled peas, green peas, and yellow peas
In what year did Mendel publish his work?
1866
What are ‘hereditary units’ according to Mendel?
Units inherited from parents that determine characteristics
How many units do offspring receive from each parent?
One unit from each parent
What are the two types of hereditary units Mendel identified?
Dominant and recessive
True or False: Mendel’s units can be mixed together.
False
When was Mendel’s work recognized?
After his death
What scientific discoveries were made in the late 19th century related to Mendel’s work?
Chromosomes as part of cell division were observed
What was understood in the 20th century regarding chromosomes and hereditary units?
Chromosomes and units (now known as genes) had similar behaviors
What significant structure was determined in 1953 that advanced the understanding of genetics?
The structure of DNA
Fill in the blank: Mendel’s research focused on the inheritance of characteristics in _______.
pea plants