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  <xs:element name="SponsorFounderSharesTransferred" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_SponsorFounderSharesTransferred"/>
  <xs:element name="AggregateFounderSharesTransferred" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_AggregateFounderSharesTransferred"/>
  <xs:element name="AgreedOfForfeitShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_AgreedOfForfeitShares"/>
  <xs:element name="SubscriptionAgreementToPurchaseOfShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_SubscriptionAgreementToPurchaseOfShares"/>
  <xs:element name="PurchasePrice" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_PurchasePrice"/>
  <xs:element name="AgreementPurchaseShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_AgreementPurchaseShares"/>
  <xs:element name="AllocationOfShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_AllocationOfShares"/>
  <xs:element name="SponsorForOfficeSpace" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="gmtx_SponsorForOfficeSpace"/>
  <xs:element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="gmtx_CommitmentsandContingenciesDetailsTable"/>
  <xs:element name="CommitmentsandContingenciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_CommitmentsandContingenciesDetailsLineItems"/>
  <xs:element name="UnderwritingDiscount" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_UnderwritingDiscount"/>
  <xs:element name="UnderwritingDiscountAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="gmtx_UnderwritingDiscountAmount"/>
  <xs:element name="UnderwritingCommissionPerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_UnderwritingCommissionPerShare"/>
  <xs:element name="UnderwritingCommissionsAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="gmtx_UnderwritingCommissionsAmount"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="gmtx_StockholdersEquityDetailsTable"/>
  <xs:element name="StockholdersEquityDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_StockholdersEquityDetailsLineItems"/>
  <xs:element name="CommonStockShareOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="gmtx_CommonStockShareOutstanding"/>
  <xs:element name="CommonStockShareIssue" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="gmtx_CommonStockShareIssue"/>
  <xs:element name="CommonStockSubjectToForfeiture" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_CommonStockSubjectToForfeiture"/>
  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="gmtx_SubsequentEventsDetailsTable"/>
  <xs:element name="SubsequentEventsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_SubsequentEventsDetailsLineItems"/>
  <xs:element name="MergerDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_MergerDescription"/>
  <xs:element name="AgreementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="gmtx_AgreementAxis"/>
  <xs:element name="FounderSharesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_FounderSharesMember"/>
  <xs:element name="LiquidityAndCapitalResourcesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_LiquidityAndCapitalResourcesMember"/>
  <xs:element name="MergerConsiderationMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_MergerConsiderationMember"/>
  <xs:element name="PipeInvestorsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_PipeInvestorsMember"/>
  <xs:element name="PublicStockholdersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_PublicStockholdersMember"/>
  <xs:element name="TwoThousandTwentyOneStockOptionAndIncentivePlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_TwoThousandTwentyOneStockOptionAndIncentivePlanMember"/>
  <xs:element name="WorkingCapitalLoanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_WorkingCapitalLoanMember"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="gmtx_DocumentAndEntityInformationAbstract"/>
</xs:schema>
