Gregor Mendel And Punnet Squares Flashcards
Who was Gregor Mendel?
An Austrian monk and teacher.
When was he born and to whom?
1822 and son of a farmer
What did he study at the monastery?
He experimented growing pea plants and he studied the way their characteristics were passed on from one generation to the next, looking for patterns.
Mendel chose to study _____ features. Pea plants were also easy to grow and Mendel was able to either self-pollinate or cross-pollinate the flowers.
Visible
What was the amazing thing about his work?
He worked out the underlying rules of genetics before anything had been discovered about DNA,genes or chromosomes.
Chromosomes occur in identical ______. So each chromosome in a pair must carry the same genes along its _____.
Pairs
Length
What are alleles?
Different forms of the same gene.
What is genotype?
Refers to the alleles you have
What is phenotype?
Refers to your phenotype.
What does homozygous mean?
Both of you alleles are the same
What does heterozygous?
Both your alleles are different.
What is the dominant gene?
The stronger one
What is the recessive gene?
The weaker one
One pair of your alleles comes from your _____ and the other from your _____.
Mother
Father
