Term
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Definition
| an alternative form of a gene |
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Term
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Definition
the microsporangium of an angiosperm in which pollen grains are
produced |
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Term
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Definition
an inheritance relationship in which neither of two alleles of the
same gene totally masks the other |
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Term
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Definition
an inheritance relationship in which one allele is
completely dominant over the other; both Bb and BB have the same
phenotype |
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Term
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Definition
a reproductive process in which pollen from one plant is
transferred to the stigma of another plant |
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Term
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Definition
a cross between individuals that involves the pairing of
contrasting traits |
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Term
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Definition
referring to an allele that masks the presence of another allele for the
same characteristic |
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Term
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Definition
the offspring of cross-pollinated P1
generation plants |
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Term
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Definition
the offspring of self-pollinated F1
generation plants |
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Term
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Definition
the field of biology devoted to understanding how traits are passed
from parents to offspring |
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Term
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Definition
| the genetic makeup of an organism |
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Term
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Definition
| the probable ratio of genotypes produced by a cross |
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Term
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Definition
| the transmission of traits from parents to their offspring |
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Term
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Definition
referring to a gene pair in which the two alleles do not code for
the same trait |
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Term
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Definition
referring to a gene pair in which the two alleles code for the same
trait |
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Term
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Definition
an inheritance relationship that occurs when both
alleles influence the phenotype |
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Term
| law of independent assortment |
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Definition
law stating that pairs of genes separate
independently of one another in meiosis |
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Term
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Definition
law stating that pairs of genes separate in meiosis and each
gamete receives one gene of a pair |
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Term
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Definition
the study of the structure and function of chromosomes
and genes |
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Term
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Definition
a cross between individuals that involves one pair of
contrasting traits |
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Term
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Definition
| a strain obtained through self-pollination |
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Term
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Definition
the external appearance of an organism that is determined by the
individual’s genotype |
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Term
| phenotype frequency (phenotypic ratio) |
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Definition
a ratio stating the number of times
a specific phenotype occurs in a population in a single generation |
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Term
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Definition
the transfer of pollen from an anther to a stigma of a flower of the
same species |
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Term
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Definition
the number of times an event is expected to happen divided by the
number of opportunities for an event to happen |
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Term
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Definition
a model used to establish the probabilities of the results of a
genetic cross |
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Term
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Definition
| ability to always pass on a specific trait to offspring |
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Term
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Definition
referring to an allele that is masked by the presence of another allele
for the same characteristic |
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Term
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Definition
pollination involving the same flower, flowers on the same
plant, or two genetically identical plants |
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Term
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Definition
an expanded apex of a pistil, supported by the style; the part of the pistil
that receives pollen |
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Term
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Definition
| denotes a plant that is pure for a certain trait |
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Term
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Definition
the crossing of an individual of unknown genotype with a
homozygous recessive individual to determine the unknown genotype |
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Term
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Definition
in genetics, a category within which alternate characteristics, such as height
and eye color, can be observed |
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