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Biology 21 Online
OpenStudy (anonymous):

PLEASE HELP ME!! The pedigree chart below shows the individuals in a family who exhibit a certain trait. Based on the information in the chart, what two conclusions can be drawn?(Both conclusions need to be selected.) It is a recessive trait. It is a dominant trait. Individual 12 is homozygous for the trait. Individual 12 is heterozygous for the trait. my guess are A and C

OpenStudy (rushwr):

hey welcome to open study ! But please attach the pedigree chart :)

OpenStudy (anonymous):

OpenStudy (anonymous):

@Rushwr

OpenStudy (rushwr):

yeah hold on let me go thru the question :)

OpenStudy (caozeyuan):

OK, the most obvious feature is that a person containing this trait is the daughter of two normal human, therefore this trait has to be recessive. 12 is the son of a homozygous recessive and himself is normal, therefore he has to be hetero

OpenStudy (anonymous):

so is a and d?

OpenStudy (anonymous):

thats what i go for....

OpenStudy (anonymous):

ok thank you so much!!

OpenStudy (anonymous):

:D yep :D

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