Biology 1201A Lecture Notes - Lecture 7: Mendelian Inheritance, Metaphase, Centromere

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Intelligence and beauty is in some way genetic. Our babies will be smart and beautiful is not a true statement. This cannot happen: because of independent assortment/recombination and different attachments of microtubules. What was mendel"s model of inheritance: one allele is dominant over the other when 2 different alleles are present in an individual, dominant allele = it will displayed. Dominant trait is expressed while the other, recessive allele, is inhibited (dna isn"t actually being transcribed and translated) Alleles are just dna sequences so they are just coding for genes. Could get both proteins made, but the dominant one is more functional than the other. Sometimes both alleles are expressed but the dominant one has some sort of coding that does something. Something that gets passed on = character. Parent phenotype is inherited by offspring (at least partially) The heritable component is discrete and particulate (unchanging)

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