1) An allele that exerts its phenotypic effect within the heterozygote is referred to as being ________. That is, it masks the expression of the other allele.

2) The separation of the homologous chromosomes at time of gamete formation is what is referred to as Mendel’s_______

3) Alternative forms of the gene which takes place at the same locus on the homologous chromosomes are called _____.

4) Your_____ is the physical and functional expression of the genes you inherited.

5) Chromosomes may be divided into two general categories. Those included in the determination of the sex are referred to as the “Sex Chromosomes”. Those chromosomes not included in the sex determination are collectively referred to as _____ .

6) Why is it that siblings, who come from same set of the parents, do not essentially look alike? Explain at least one possible explanation based upon what your knowledge of meiosis and genetics. You may require referring to your text provided that we did not cover meiosis in lab this semester.