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Assume that investigators crossed a strain of flies carrying the dominant eye mutation Lobe on the second chromosome with a strain homozygous for the second chromosome recessive mutations smooth abdomen and straw body.The F1 Lobe females were then backcrossed with homozygous smooth abdomen,straw-body males,and the following phenotypes were observed:
smooth abdomen,straw body 820
Lobe 780
smooth abdomen,Lobe 42
straw body 58
smooth abdomen 148
Lobe,straw body 152
(a)Give the gene order and map units for these three loci.
(b)What is the coefficient of coincidence?
Semantics
The study of meaning in language, including the analysis of words, phrases, signs, and symbols.
Syntax
The arrangement of words and phrases to create well-formed sentences in a language.
Morphology
The examination of organisms' form, structure, and distinct structural characteristics.
Phoneme
The smallest unit of sound that may cause a change of meaning within a language, but doesn't have meaning by itself.
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