Explain the processes involved in autopolypoilization as well as allopolyploidization and how these might lead to reproductive isolation of the new polyploid from its ancestors

Q: During polyembryony, if one embryo is formed from synergids and the other from nucellus, state the…

A: The embryo is formed from the synergids is haploid as synergids is haploid.

Q: Describe some of the advantages of polyploid plants. What are theconsequences of having an odd…

A: Polyploid plants arise due to rare meiotic and mitotic crisis formin gametes that are capable of…

Q: Explain the terms: (a) aneuploidy, (b) polyploidy.

A: The term ploidy refers to the total number of chromosomes.  Several mechanisms take place to…

Q: Inspect this figure showing relations of parents and offspring in species with haplodiploid sex…

A: Relatedness value is the probability that two individuals share an allele due to recent common…

Q: How is the process of meiosis responsible for variation among species? What mechanisms are involved…

A: Meiosis is a type of reductional division in which a diploid parent cell divides to form four…

Q: Please describe the differences between autopolyploid and allopolyploid.

A: When an organism contains multisets of chromosomes, they are called polyploids. The process of…

Q: Describe how aneuploid and mosaic organisms arise

A: Meiosis In the meiosis process a mother cell that will produce some daughter cells which will…

Q: Explain The creation and use of monoploid plants?

A: The plants which have half number of actual chromosome is known as monoploids. They are very rare in…

Q: Discuss the significance of polyploidy in the evolution of plant species. Compare and contrast…

A: Polyploidy frequently happens because of the nondisjunction of chromosomes during the cell division.…

Q: meiosis and fertilization are important for the survival of many species because these two processes…

A: Introduction  Almost all cells in our body divide to form new cells. However, there are some…

Q: Briefly explain how switching from hawthorn fruits to apples has led togenetic differentiation and…

A: The Rhagoletis pomonella are a group of fruit flies that are associated with parasitoid wasps. The…

Q: Explain why autopolyploids are usually sterile, whereas allopolyploidsare often fertile.

A: Polyploidy refers to the presence of more than two complete sets of chromosomes in the nucleus of…

Q: . Compare autopolyploids with allopolyploids.

A: The condition that involves the presence of more than two chromosomal sets in an organism is called…

Q: Banana plants, which are triploid, are seedless and thereforesterile. Propose a possible…

A: Triploidy is an abnormal chromosomal condition that results in an extra copy of a chromosome in the…

Q: Aneuploidy is typically detrimental, whereas polyploidy is sometimes beneficial, particularly in…

A: Ploidy refers to the chromosomal number in an organism. Euploidy is a condition when two pairs of…

Q: Distinguish between polyploidy and aneuploidy

A: A chromosome is a tiny thread-like structure found in the nucleus of eukaryotic cells (animal and…

Q: Besides the ones mentioned in this textbook, look for other examplesof variations in euploidy.…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: Describe and give example of Gametic on Adaptation and Speciation

A: Gametic Speciation:- Gametic isolation is a type of pre zygotic barrier where the gametes( egg and…

Q: Explain gene dosage in jimsonweed

A: Jimsonweed is a plant whose leaves and seeds are used for making medicines. It is used to treat…

Q: explain the Pairing of chromosomes as bivalents during tetraploidy

A: The thread-like structures present inside the nucleus of cells are known as chromosomes. It is…

Q: Describe examples of aneuploidy in humans?

A: Ploidy is defined as the number of chromosomes present in the nucleus of a cell. In normal somatic…

Q: Please describe the differences between euploid and aneuploid

A: Chromosomes are thread-like structures present in the nucleus of the eukaryotic cells. These contain…

Q: What is the importance of genetic variation that is seen as a result of processes such as crossing…

A: The process involving the swapping over of the genetic material which occurs in the germline level…

Q: . Describe how aneuploid   organisms arise.

A: The cell cycle is basically a prearranged flux of steps which consists of the growth and many…

Q: . Explain how mixtures of different cpDNAs in the sameorganism account for variegation in plants.

A: Chloroplasts are present in plants and algae. Chloroplast DNAs (cpDNAs) range in size from 120 to…

Q: Describe the phenotypic consequences of deletions inhomozygotes

A: Mutation is the addition, deletion or change in position of a fragment of a base in the DNA that may…

Q: Show how you could make an allotetraploid between tworelated diploid plant species, both of which…

A: An allotetraploid is a hybrid with four times the number of chromosomes as a haploid organism. All…

Q: Species A has 2 n = 16 and species B has 2 n = 14. How many chromosomes would be found in an…

A: A hybrid individual or a cell with multiple set of chromosomes (two or more sets) are termed as…

Q: Compare the following three terms: polyploidy, aneuploidy, and nondisjunction. Briefly discuss…

A: Ploidy is basically the number of sets of homologous chromosomes of a cell or an organism. The cell…

Q: What is an allodiploid? What factor determines the fertility of anallodiploid? Why are…

A: Reproduction is the process of the formation of new offspring. The ability of an individual to…

Q: Compare and contrast phases of meiosis I with phases of meiosis II in terms of the events taking…

A: Meiosis is a process where a single cell divides twice to produce four cells containing half the…

Q: Polyploid plants may be commercially valuable because some of them have

A: Aneuploidy is the addition or deletion of one or more chromosome.It can be - 1. Trisomy - Addition…

Q: Which of the following is false? Group of answer choices With a pericentric inversion, there is no…

A:

Q: In a Robertsonian translocation, reciprocal exchangesbetween two ____________ chromosomes generate a…

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: From figures 2 and 3 which ones are haploid and which are diploid?

A: This figure is showing meiosis Meiosis : It is a type of cell division that occurs in germ cells .…

Q: Polyploid plants can be larger than theirdiploid counterparts explain how ?

A: Polyploidy may be a condition within which a cells of  have over two pairs of homologous sets of…

Q: In Figure 20-18, what is the evidence that polyploid formation has been important in plant…

A: Polyploidy Heritable disorder  The presence of more than two full sets of chromosomes distinguishes…

Q: In Mirabilis jalapa, all three shoot color phenotypes (pale, green, or variegated) are possible in…

A: Uniparental inheritance is a non-mendelian form of heredity in which genotypes are passed down from…

Q: A large plant arose in a natural population. Qualitatively,it looked just the same as the others,…

A: Polyploidy occurs when an organism's cells have more than two full sets of chromosomes ( diploid)…

Q: Weismann's concept of "determinants" was supported by Roux's experiments in his investigation on…

A: August Weismann was a German biologist. He proposed the germ plasma theory. According to the germ…

Q: Chewbacca from Starwars is a part of a species that has 64 chromosomes for its diploid number. What…

A: Haploid is number of chromosome which is present in gametes .It is represented as n. Example :-…

Q: explain the meiotic segregation of reciprocal translocations.

A: RECIPROCAL SEGREGATION results from exchange of two terminal segments from different chromosomes.…

Q: How is the frequency of cotransduction related to the relative position of genes on a bacteial…

A: Cotransduction is the process of transduction of two or more genetic loci that are carried by a…

Q: discuss the Variations of Euploidy

A: Euploidy is a type of chromosomal aberration. Chromosome is a compact structure of a DNA molecule…

Q: Explain why allotetraploids are more likely than allodiploids to be fertile?

A: Fertility is the ability of an individual to produce an offspring. It is different from fecundity,…

Q: An organism has a diploid number of 16 in a primaryoocyte. How many tetrads are present in prophase…

A: Deoxyribonucleic acid or DNA is a type of nucleic acid present in the nucleus of the cell. It is a…

Q: Define about euploidy ?

A: Each species has a specific number of chromosomes (a condensed form of DNA) present in its cell. Any…