Pare ultiple cholce. (15 pts/3 pts each). Select the option that best answers th
ID: 194765 • Letter: P
Question
Pare ultiple cholce. (15 pts/3 pts each). Select the option that best answers the statement. . Which of the following findings made by Mendel gxplictb Mendel explicitly suggested that the blending hypothesis of a. In a dihybrid b. In a monohybrid c. A parental d. In a cross of two e. In a dihybrid cross, the cross, both genes assorted independently of each other cross and its reciprocal cross will produce the same phenotypic ratios cross, each allele will be produced in equal frequency pure lines, the F, offspring only displays the dominant phenotype Fs offspring will display phenotypes from both genes 2. Given the p closely related to t hylogeny shown at right, it can be inferred that_are than to platypus a. koalas-more- turtles tuataras b. cats - e. cobras-equally - tuataras - alligators d. platypus - less- turtles cobras e. tuataras more- turtles-koalas less - alligators - turkeys cobra 3. Epistasis represents an extension to Mendel's principles because: a. It is observed whenever multiple alleles for a gene exist in the population b. One trait is determined by two or more genes, resulting in altered genotypic ratios in the Fa c It occurs whenever environmental variation alter the observed phenotypes of particular genoty d. Two linked genes will segregate as a single unit rather that assort independently e. It occurs whenever lethal alleles result in altered ratios of phenotypes in the F2 4. An individual of genotype GgKk produces gametes in these proportions: We can deduce that: Gamete GK Gk gK gk genes G and K assort independently a. b. c. d. e. The recombination rate between these loci is 70% Loci for G and K are about 15 cM apart on the same chromosome The parents of this dihybrid had genotypes ggKK and GGkk Genes G and K are completely linked to each other 5. Based on the karyotype formula 4n +1-33, we can infer that a. The species this individual belongs to is diploid b. This individual is missing one copy for one of its chromosome types c. Normal individuals of this species will produce diploid gametes d. The haploid number for this species is 4 e. This individual has an extra copy for all of its chromosomes [BONUS] Regarding the concept of inductive reasoning a. A set of isolated observations can be combined to reach a generalized statement b. General knowledge can be used to derive specific expectations c. Logical conclusions are opposite to the principle of parsimony d. Can never be applied to interpret the results of observational tests e. Represents the only method of logical inferenceExplanation / Answer
1. A. Since Mendel saw that two different traits or genes were assorting independently, they won't blend/mix together to produce an intermmediin or blend phenotypes
2. A. Koalas are more closely related to turtles than tuataras
3. B. Epistasis I basically interaction between to genes which control a single trait. One of the gene is epistasis i.e. more expressive than the other jypostathy gene which is suppressed.
5. 4n+1=33
n=8
That is the haploid number is 8
The species isn't a diploid.
Normal species will produce diploid gametes, looks like the organism has one extra copy of one chromosome if the gene make is in fact 4n=32 then by reduxtion division the gametes produced will be 2n i.e. diploid
Thus the answer is c.
Bonus: a
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