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All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Can someone i have no idea of how to do this.