059 STUDY OF SOME COMMON GENETIC TRAITS - PowerPoint PPT Presentation

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059 STUDY OF SOME COMMON GENETIC TRAITS

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To survey the occurrence of the following genetic traits among the students in a class, then in their families – PowerPoint PPT presentation

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Title: 059 STUDY OF SOME COMMON GENETIC TRAITS


1
059 STUDY OF SOME COMMON GENETIC TRAITS
CONCEPT
To survey the occurrence of the following
genetic traits among the students in a class,
then in their families
Attached and free earlobes Hitch-hiker's Thumb
and Straight thumb Widows peak and Straight
hairline Tongue rolling and lack of Tongue rolling
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ATTACHED EARLOBES Recessive
FREE EARLOBES Dominant
HITCH-HIKER'S THUMB Dominant
STRAIGHT THUMB THUMB Recessive
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STRAIGHT HAIRLINE Recessive
WIDOWS PEAK Dominant
ABILITY TO ROLL TONGUE Dominant
LACK OF ABILTY TO ROLL TONGUE Recessive
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Use this data table to keep track of the traits
listed above.
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Pick letters to represent traits, like
abbreviations. The dominant allele is written
with a capital letter. The recessive allele gets
a lower case letter. W dominant widow's
peak allele w recessive straight hairline
allele E Free Ear Lobes ( dominant) e
Attached Earlobes (recessive ) H
Hitch-hiker's Thumb h Straight Thumb R
Tongue rolling r lack of tongue rolling
ability
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