Fall15- ProblemSet1 Meiosis [Compatibility Mode] - Microsoft Word Milky Hussen #
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Fall15- ProblemSet1 Meiosis [Compatibility Mode] - Microsoft Word Milky Hussen #4 Find ac Replace Select FILE HOME INSERT DESIGNPAGE LAYOUT REFERENCES MAILINGS REVIEW VIEW Cut -..-...-. T tE Ti 12 . A. A Aa- imes New Ro AaBbCci AaBbCcI AaBbC AaBbCcl AaBbCcl AABBCC AaBbCcI AaBbCcIah opy Paste A· 2 m. Book Title Emphasis Heading 1 Intense E Intense Q,.. Intense Re TList Para TNo Spac...- Format Painter Clipboard Font Paragraph Styles Editing 1. Shell color in the Pacific abalone is controlled by a single gene with two alleles. The Green color allele (G) is dominant to the orange shell allele (g). Shell diameter is controlled by a different gene with two alleles - the Thick allele (T) is dominant to the thin allele (t). A mating between green shelled mollusks with thick shell diameter in a population of abalones produced offspring with the following genotvpes in the following proportions What are the parents' Genotvpes in the cross? Phenotype Green shell, Green shell, Thin diameter 189 Orange shell, Thick diameter 212 Orange shell, Thin diameter 74 Thick diameter Number 450 a) Thinking about this cross and assuming no recombination and a diploid number of 4, draw two possible arrangements of the chromosomes at metaphase in Meiosis I below. Draw your chromosomes as indicated in the example, with the "X" referring to the allele it carries. (2 pts.) You will have alleles for shell color and shell diameter: G or g and T or t Possible arrangement 1 arrangement 2 Example If replicated If not replicated b) Which of Mendel's Laws is illustrated by these possible arrangements? What would be the effect on the number of possible arrangements of having a larger diploid number of chromosomes? (2 pts) PAGE 1 OF4 1265 WORDS L + 100% 8:31 AM 10/13/2015Explanation / Answer
2. Mendals Law ;
Each alleles segerregates independently of other pairs of alleles during the gamate formation which is called law of independent assortment . the chromosomes the effect of posible arrangement of dipliod number of chromosomes is 2n will have 2n possible combinations or ways of arranging its chromosomes during the metaphase I .
B. gamatic diversity ;
number of possible gamates would be 8 types , the different chromosomal combinations will be 8 as 2N is 4
b . number of different chromosomes possibel if 2N is 8 , then 16 types of gamates are produced as there will be meiosis process
c. The formula is Number of combinations of the chromosomes is equal to 2 number of chromomsomal pairs .
d. what is segrregation ?
The gamates seperate during the gamate formation and randomly unite at fertilization so that they aquire atleast one charechter from each parent .Evolution of darwin s depends on the natural selection which says that any charechter of an individual to survive more offsprings eventually appear in every individual of the species beacuse those members have more offsprings . so these two are more different .
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