Genetics 1 Flashcards
What was Gregor Mendel known as?
The father of genetics
What did Mendel study?
the inheritance of characteristics in garden peas
Name of Mendel’s first law
The law of segregation
Name of Mendel’s second law
The law of independant assortment
how did mendel form hybrids of the pea plants
he bred different variaties
what parent plants did mendel use?
always pure breeding parent plants
hoe did mendel ensure that the plants were pure bred?
he only used self-fertilised plants
what does it mean whe plants are self-fertilised?
they are homozygous
2 examples of breeding characteristics that mendel used?
Round vs Wrinkled seeds
Green vs yellow pods
Monohybrid cross definition
the study of inheritance of one charcateristic eg. seed shape of pea plant
capital letter
dominant factor
small letter
recessive factor
the generation after the parents
F1 generation
Mendel’s first law (law of segregation)
characteristics are controlled by a pair of factors (genes) that separate during gamete formation, only one factor of each pair is present in a gamete
what is incomplete dominance or co dominance
in very rare cases, in the heterozygous condition, both alleles are expressed, and the phenotype is an intermediate between the two
