The process being shown below is Spindle fiber Pole of cell XX XX DNA synthesis Alignment of sister chromatids Independent assortment of homologous pairs O Crossing over of homologous pairs
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- The figure above shows a metaphase in which one chromosome is only connected to the spindle by a single kinetochore, thus the sister chromatids may not separate correctly during anaphase. which of the following statement/s is/are correct;Which of the following statement(s) regarding homologous chromosomes is (are) true? CHOOSE ALL THAT APPLY Homolgues contain the same genes but their order on the chromosome differs In each tetraploid cell, there are two homologous chromosomes Homologous pairs exist in haploid cells. Homolgues contain the same genes but might contain different alleles Homologues become physically connected (pair up) during prophase IFor each of the terms in the left column, choose thebest matching phrase in the right column.a. reciprocal translocation 1. lacking one or morechromosomes or having oneor more extra chromosomesb. gynandromorph 2. movement of short DNAelementsc. pericentric 3. having more than two completesets of chromosomesd. paracentric 4. exact exchange of parts of twononhomologous chromosomese. euploids 5. excluding the centromeref. polyploidy 6. including the centromereg. transposition 7. having complete sets ofchromosomesh. aneuploids 8. mosaic combination of maleand female tissue
- A homologous pair is composed of four sister chromatids, each with its owncentromere. four sister chromatids attached at a common centromere. four chromosomes with two sister chromatids each. two chromosomes with two sister chromatids each. two sister chromatids with separate centromeres.Homologous chromosomes_____ . a. are inherited from two parents b. are sister chromatids c. are different in size and in lengthBased on the attached image, identify the stage at which each cell is in and draw an animal cell with a diploid chromosome number of 6. Indicate maternally- & paternally-derived chromosomes as red and blue, respectively, in your diagram. You do not need to indicate any crossing over. Be sure to include any of the indicated labels.
- Consider the following DNA molecule (shown in the picture) and assume this is the DNA sequence of the entire chromosomes. list the amino acid sequences of the possible protein or proteins that could be produced from this DNA sequence what would be the DNA sequence of a sister chromatid generated from this chromosome sequence? (specify the 5' nd 3' ends)In a Robertsonian translocation, reciprocal exchangesbetween two ____________ chromosomes generate a large metacentricchromosome and a very small chromosomeSomatic cells of chimpanzees contain 48 chromosomes.How many chromatids and chromosomes are present at: (a) anaphase of mitosis, (b) anaphase I ofmeiosis, (c) anaphase II of meiosis, (d) G1 priorto mitosis, (e) G2 prior to mitosis, (f) G1 prior tomeiosis I, and (g) prophase of meiosis I?How many chromatids or chromosomes are presentin: (h) an oogonial cell prior to S phase, (i) a spermatid, (j) a primary oocyte arrested prior to ovulation,(k) a secondary oocyte arrested prior to fertilization,(l) a second polar body, and (m) a chimpanzee sperm?
- Most body (nonreproductive) cells of humans and other multicellular eukaryotes have two sets of each chromosome. Such cells are _________ and the matching pairs of chromosomes are called _________. a. diploid; homologous chromosomes b. haploid; homologous chromosomes c. diploid;sisterchromatidsd. tetraploid; sister chromatidsIf a parent cell of a sexually-reproducing species has 28 chromosomes, the number of chromosomes in the zygote would be 14. 28. 56. 112. impossible to determine with the information given. A tetrad is composed of two chromosomes with two sister chromatids each. two sister chromatids with separate centromeres. four chromosomes with two sister chromatids each. four sister chromatids are attached at a common centromere. QUESTION 3 During crossing-over genetic material is exchanged between sister chromatids, resulting in new combinations of alleles. genetic material is exchanged between non-sister chromatids, resulting in new combinations of alleles. sister chromatids from each homologous chromosomes of a tetrad are exchanged, resulting in new combination of alleles. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations…A diploid fruit fly has eight chromosomes. Which of the followingterms should not be used to describe a fruit fly with four sets ofchromosomes?A. PolyploidB. AneuploidC. EuploidD. TetraploidE. 4n