Use a heterozygous pea plant page. In each drawing, label: ( to draw representat

Question

Use a heterozygous pea plant page. In each drawing, label: ( to draw representations of cell nuclei at various stages in cell cycle using the table on the following » +, dw, and cs alleles Homologous chromosomes Sister chromatids » Centromeres For this problem, you may assume that there is a long sequence of bases for each gene and the alleles for each gene differ as follows. Use these in the construction of your answer for the middle column of the table +allele: dw allele: 3'-_ A T A A G C 5, 3'-_ TT TA CG--5' +allele: cs allele: 3,--. CGA 5' Chr 1 Male Parent Chr 1 Female Parent Chr 2 Male Parent Chr 2 Female Parent

Explanation / Answer

Chromosome representation

Double-stranded DNA molecules

summary

Metaphase 1 of meiosis

In this phase, pairs of chromosomes start to arrange on the Metaphase plate and spindle fibers get attached to both centromeres of each homologous chromosome.

Each pole receives half the number of chromosomes. each chromosome have two DNA molecules, therefore in metaphase1 there are 46 DNA molecule present in each daughter cells

Number of cells = 2

N = 23

Ploidy = haploid

meiosis I is prior in interphase by both G phase and S phase

Metaphase 2 of meiosis

In Metaphase II, the chromosomes’ are arranged instead of pairs of chromosome on the metaphase plate and spindle fibers get attached to single centromere from both sides.

have the same number of chromosomes but with a single chromatid.

46 DNA in each cell.

Number of cells = 4

N = 23

Ploidy = haploid

meiosis II is only former by S phase: hence, replication of chromosome is not again necessary.

Chromosome representation

Double-stranded DNA molecules

summary

Metaphase 1 of meiosis

In this phase, pairs of chromosomes start to arrange on the Metaphase plate and spindle fibers get attached to both centromeres of each homologous chromosome.

Each pole receives half the number of chromosomes. each chromosome have two DNA molecules, therefore in metaphase1 there are 46 DNA molecule present in each daughter cells

Number of cells = 2

N = 23

Ploidy = haploid

meiosis I is prior in interphase by both G phase and S phase

Metaphase 2 of meiosis

In Metaphase II, the chromosomes’ are arranged instead of pairs of chromosome on the metaphase plate and spindle fibers get attached to single centromere from both sides.

have the same number of chromosomes but with a single chromatid.

46 DNA in each cell.

Number of cells = 4

N = 23

Ploidy = haploid

meiosis II is only former by S phase: hence, replication of chromosome is not again necessary.

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