biology help please????????????

label Biology
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define these words

  • Alleles
  • Homozygous
  • Heterozygous
  • Genotype
  • Phenotype
  • Punnett square
Mar 18th, 2015

An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus (position) on a chromosome.

Homozygous is a genetic condition where an individual inherits the same alleles for a particular gene from both parents.

heterozygous refers to a pair of genes where one is dominant and one is recessive — they're different.

genotype is the genetic makeup of a cell, an organism, or an individual usually with reference to a specific characteristic under consideration.

A phenotype is the composite of an organism's observable characteristics or traits, such as its morphology, development, biochemical or physiological properties, phenology, behavior, and products of behavior (such as a bird's nest).

Punnett square is a diagram that is used to predict an outcome of a particular cross or breeding experiment.


Mar 18th, 2015

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