Using your diagram on the previous page, answer the following questions. 3. Duri

Question

Using your diagram on the previous page, answer the following questions. 3. During Mitosis, can the presence or absence of freckles ever sort independently of dim- ples? Explain (use the terms linked/unlinked, and independent assortment in your answer). 4. During Meiosis, can the presence or absence of freckles ever sort independently of dim- ples? Explain (use the terms linked/unlinked, and independent assortment in your answer). 5. What is an advantage of having homologous chromosomes (compared to haploid cells that only have a single copy of each gene)? 018 Fill in the chart below with the name of the phase when each of these steps occur. If it does not occur leave it blank. 6. Mitosis Meiosis DNA replicates Homologous pairs begin to assosiate. Chiasmata form. Microtubules align the chromosomes at the center of the cell. Homologous pairs are separated Sister chromosomes are separated 69

Explanation / Answer

6) homologous pair begin to associate during prophase1 of meiosis. homologous chrmosome do not function same in mitosis as they do in meiosis. Prior to every single mitotic division a cell undergoes, the chromosome in the parent cell replicate themselves. Homologous pairing nit occur in mitosis.

Chaismata not form in mitosis and form prophage 1 diplotein stage of meiosis. It is form due to crossing over.

Microtubule arranged chromosome at the center in metaphase of mitosis and meiosis.

Sister chromatid separate at anaphase of mitosis and anaphase 2 of meiosis. Homologous chromosome separate in anaphase 1 in meiosis. This is not form in mitosis so not separate.

5) homologous chromosome are half inherited from fater and half from mother so they provide redundant genetic information for almost all genetic traits, alleles.

2) there is 10 alleles in the right box.

3) genes are 5 in the right box B,E,F,D,H

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