21 terms

Genetics Vocab

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homozygous
two genes that are exactly the same for the same trait (TT tt)
heterozygous
a pair of genes for the same trait but are different from each other (Tt)
dominant
a gene that is strong enough to hide another gene
recessive
a gene that is weaker and can be hidden
genotype
a pair of genes for a certain trait
phenotype
a description of the physical appearance of an organism for one trait
pea plant
the type of plant Mendel researched
what part of the plant is a pea?
seed
stamen
the male organ of a plant
anther
the part of the plant that produces sperm cells
fruit
the ripened ovary of a flower; contain seeds
pistil
female organ of a plant
pollination
pollen landing on a pistil
stigma
the top of a pistil where pollen lands
ovary
the part of a flower that produces eggs
when did Mendel do his important work?
1860's
allele
of possible form of a gene
punnett square
...
probability
the chances that a particul
gene
a heredity factor passed from one generation to the next
two
the number of genes