Genetics
Mendel's Observations
Inheritance
Traits in Pea Plants
Alleles
100
the passing of physical characteristics from parents to offspring
What is heredity?
100
When pollen from a flower lands on the pistil of a different flower.
What is cross-pollination?
100
factors that control traits
What are genes?
100
Purple or white
What is flower color?
100
TT or Tt
What is a tall pea plant?
200
physical characteristics of organisms
What is traits?
200
An organism that has two identical alleles for a trait.
What is a purebred?
200
different forms of a gene
What are alleles?
200
Round or wrinkled
What is seed shape?
200
tt
What is a short pea plant?
300
The scientific study of heredity
What is genetics?
300
Cross between a purebred tall pea plant and a purebred short pea plant
What is the P generation?
300
an allele whose trait always shows up in the organism
What is a dominant allele?
300
Pinched or smooth
What is pod shape?
300
SS or Ss
What is smooth pod shape?
400
When a new organism begins to form when egg and sperm cells join.
What is fertilization?
400
All the offspring were tall
What is the F1 generation?
400
an allele whose trait is hidden in the presence of a dominant allele
What is a recessive allele?
400
Side of stem or tip of stem
What is flower position?
400
ss
What is a pinched pod shape?
500
When pollen from a flower lands on the pistil of the same flower.
What is self-pollination?
500
About three fourths were tall, while one fourth were short
What is the F2 generation?
500
an organism with two different alleles for a trait
What is a hybrid?
500
Tall or short
What is stem height?
500
YY or Yy
What is a yellow seed color?
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