The following statements apply to concepts and material
discussed in Chapter 6; identify which statement
is TRUE.
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Biology
The following statements apply to concepts and materialdiscussed in Chapter 6; identify which statementis TRUE.
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Answers:
If a mother and son both have a homozygous dominant genotype,but only the mother suffers from symptoms associated with anX-linked condition, this is due to XInactivation.
PAN syndrome is an X-linked condition. Women must inherit twofaulty alleles to show symptoms, while men show symptoms when theyinherit just one. This is an example of aSex-influenced condition.
X chromosomes only contain genes that affect \"sexual\" traitsrelated to \"femaleness.\"
X-linked dominant conditions are more common than X-linkedrecessive conditions.
The following statements apply to concepts and materialdiscussed in Chapter 9; identify which statementis TRUE.
Answers:
DNA consists of two nucleotide chains arranged in the samedirection coiled into a helix.
DNA is directional, because one strand runs antiparallel to theother in a double helix.
DNA polymerase corrects every error that it makes duringreplication.
DNA replication has to happen before transcription andtranslation can.
DNA replication is considered a conservative process, becauseone parent strand is conserved and one new daughter strand ismade.
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Q1 Answer a False X inactivation dont happen in males since they have only one X chromosome acquired from mother bFalse PAN syndrome is an autosomal recessive inheritance It is not
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