For a chromosome with a paracentric inversion. 12*34567 12*54367 Show the gametes that can be produced...
For a chromosome with a paracentric inversion.
12*34567 12*54367
Show the gametes that can be produced if a crossover occurs between loci 4 and 5.
Homework Answers
In paracentric inversion, centromeres are not involved in
crossing over as they are away from the loop. This is a single
cross over and after this crossover four types of gametes will be
produced. 2 of them are monocentric and among this two one is
normal, another is inversed. One dicentric chromatid and one
acrocentric chromatid also can be produced.
Add Answer to:
For a chromosome with a paracentric inversion.
12*34567
12*54367
Show the gametes that can be produced...
Gametes produced in a paracentric inversion heterozygote WITHOUT crossing over are: a. two gametes with deletions...
Gametes produced in a paracentric inversion heterozygote WITHOUT crossing over are: a. two gametes with deletions and/or duplications and two normal gametes b. one normal gamete, two with deletions and/or duplications and one with the inversion c. two gametes with the inversion and two normal gametes d. two gametes with the inversion and two with the deletion and/or duplications e. No normal gametes
Identify the paracentric and pericentric inversion chromosomes. Which is more likely to produce gametes that can...
Identify the paracentric and pericentric inversion chromosomes. Which is more likely to produce gametes that can give rise to viable offspring? Explain.
1. An inversion heterozygote has the following inverted chromosome: ABCD JIHGF.EKLM. a. Sketch how this chromosome...
1. An inversion heterozygote has the following inverted chromosome: ABCD JIHGF.EKLM. a. Sketch how this chromosome will pair with its normal homologue (AB CDE FGHIJ K L M) in prophase I. Make sure you include all strands (remember, the chromosomes are replicated). (2 pts) b. What four gametes result when a single crossover occurs between genes F and G on one inversion and one normal chromosome? (4 pts)
Practice Problems 7: Chromosome Variation in Structure 1. A petunia is heterozygous for the following inversion...
Practice Problems 7: Chromosome Variation in Structure 1. A petunia is heterozygous for the following inversion of chromosome 1 (the dot is the centromere): A a b B C D • E C F f G g e d a. Is this a paracentric or pericentric inversion? b. Draw the pairing configuration at prophase l including all 4 chromatids. c. Give the genotypes of the gametes from this meiosis if there is a single cross-over between genes D and E,...
1. A flower is heterozygous for the following inversion of chromosome 1 (dot=centromere) A B C ...
1. A flower is heterozygous for the following inversion of chromosome 1 (dot=centromere) A B C ● D E F G a b e d ● c f g a. Is this a paracentric or pericentric inversion? I am thinking Pericentric? b. Draw the pairing configuration at prophase I including all 4 chromatids. I wasnt too sure how to map the loop out for this one c. Give the genotypes of the gametes from this meiosis if there is a...
1. During meiosis when crossing over occurs in a paracentric inversion loop, what percent of the...
1. During meiosis when crossing over occurs in a paracentric inversion loop, what percent of the meiotic products will result in nonviable gametes? (0.5 points) a. 0% b. 25% c. 50% d. 75% e. 100%
Mr Crabs suffers from semi-sterility due to a pericentric inversion on chromosome #10. His normal chromosome...
Mr Crabs suffers from semi-sterility due to a pericentric inversion on chromosome #10. His normal chromosome #10 has the sequence of genes as follows (the dot represents the centromere): ABCD·EFGH. His inverted #10 has the sequence: AFE·DCBGH. a. What proportion of Mr Crab’s gametes will be viable if no crossing over occurs within the inverted segment? b. What proportion of Mr Crab’s gametes will be viable if a cross over occurs between genes F-E? c. What is the sequence of...
Inversion Problems: An individual is heterozygous for an inversion: ADCBEFG HI, and during gamete formation there...
Inversion Problems: An individual is heterozygous for an inversion: ADCBEFG HI, and during gamete formation there is a crossing over event between C and B. Draw chromosome structure pre and post meiosis. Be sure to label the chromatids/chromosomes with the appropriate sequence of genes. Label mutant and wild type chromatids/chromosomes, viable and non-viable gametes. Circle and identify the mutations in the non-viable gametes inuerston If an individual is heterozygous for an inversion, ABC DGFEHI, and a crossing over event occurred...
11. A normal chromosome and its homolog carrying an inversion are given below (Y* = centromere)...
11. A normal chromosome and its homolog carrying an inversion are given below (Y* = centromere) Normal: ABCDEFGH Inversion: a dcbe*fgh Answer the following questions about these homologs (8 points total) 11c. Suggest four gamete genotypes that could be produced during a single episode of meiosis if there is a is a crossover between B & C in the inversion heterozygote. Be sure to indicate the position of the centromere with a * Write V or I beside each gamete...
A normal chromosome and its homolog carrying an inversion are given below (* Y= centromere): Normal:...
A normal chromosome and its homolog carrying an inversion are given below (* Y= centromere): Normal: ABCD * EFGH Inversion:a fe* dcbgh Answer the following questions about these homologs (8 points total) What gamete genotypes are produced if there is a crossover between G & H? Be sure to include a * to show the position of the centromere. Put each gamete on a separate line, and write (V) or (1) beside each gamete to indicate whether it is viable...
1. An inversion heterozygote has the following inverted chromosome: ABCD JIHGF.EKLM. a. Sketch how this chromosome will pair with its normal homologue (AB CDE FGHIJ K L M) in prophase I. Make sure you include all strands (remember, the chromosomes are replicated). (2 pts) b. What four gametes result when a single crossover occurs between genes F and G on one inversion and one normal chromosome? (4 pts)
Practice Problems 7: Chromosome Variation in Structure 1. A petunia is heterozygous for the following inversion of chromosome 1 (the dot is the centromere): A a b B C D • E C F f G g e d a. Is this a paracentric or pericentric inversion? b. Draw the pairing configuration at prophase l including all 4 chromatids. c. Give the genotypes of the gametes from this meiosis if there is a single cross-over between genes D and E,...
1. During meiosis when crossing over occurs in a paracentric inversion loop, what percent of the meiotic products will result in nonviable gametes? (0.5 points) a. 0% b. 25% c. 50% d. 75% e. 100%
Inversion Problems: An individual is heterozygous for an inversion: ADCBEFG HI, and during gamete formation there is a crossing over event between C and B. Draw chromosome structure pre and post meiosis. Be sure to label the chromatids/chromosomes with the appropriate sequence of genes. Label mutant and wild type chromatids/chromosomes, viable and non-viable gametes. Circle and identify the mutations in the non-viable gametes inuerston If an individual is heterozygous for an inversion, ABC DGFEHI, and a crossing over event occurred...
11. A normal chromosome and its homolog carrying an inversion are given below (Y* = centromere) Normal: ABCDEFGH Inversion: a dcbe*fgh Answer the following questions about these homologs (8 points total) 11c. Suggest four gamete genotypes that could be produced during a single episode of meiosis if there is a is a crossover between B & C in the inversion heterozygote. Be sure to indicate the position of the centromere with a * Write V or I beside each gamete...
A normal chromosome and its homolog carrying an inversion are given below (* Y= centromere): Normal: ABCD * EFGH Inversion:a fe* dcbgh Answer the following questions about these homologs (8 points total) What gamete genotypes are produced if there is a crossover between G & H? Be sure to include a * to show the position of the centromere. Put each gamete on a separate line, and write (V) or (1) beside each gamete to indicate whether it is viable...
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