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BSC1005L: Non-majors Biology
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BSC2011C: Principles of Biology 2
lecture videos
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Study Guide: Beyond Mendel
Chapter: Beyond Mendel
Lecture Video: Beyond Mendel
Lecture Slides: Beyond Mendel
Lab: Beyond Mendel
1.
What three conclusions did de Vries arrive at with his study on genetics
?
2.
What is the most significant difference between Correns and de Vries rediscovery publications
?
3.
Was de Vries aware of Mendel’s studies before he published his 1900 paper
?
4.
Who was the first to express heterozygote genotypes with two letters (e.g. Aa) Homozygote genotypes (e.g. AA and aa)
?
5.
Mendel did not make predict a 9:3:3:1 ratio prediction in the F2 generation. Who did
?
6.
Who linked the principle of segregation to the process of meiosis
?
7.
Which two scientists are co-credited with the chromosomal theory of inheritance
?
8.
What are four major findings of Walter Sutton’s inheritance studies on grasshoppers which became the foundation of the chromosomal theory of inheritance
?
9.
What are the major findings of Theodor Boveri’s studies on sea urchin’s inheritance
?
10.
What is Mendel’s principle of dominance
?
11.
What is Mendel’s principle of segregation
?
12.
How did Mendel explain the consistency of the phenotypic ratio in the F2 generation (3 dominant: 1 recessive)
?
13.
How does meiosis explain the consistency of the 3 dominant: 1 recessive ratio in the F2 generation
?
14.
Who first predicted the 9:3:3:1 phenotypic ratio of the F2 generation in a dihybrid cross
?
15.
How does meiosis explain independent assortment
?
16.
Why did Walter Sutton reason the alleles coding for the different physical traits (or phenotypes) Mendel and Correns were observing were located on different chromosomes
?
17.
Thomas Hunt Morgan originally studied the fruit fly to test which theories of inheritance
?
18.
Assuming Mendel’s Principle of Dominance, what is the expected phenotypic ratio of a mating between a white-eyed female (ee) and a pure line red-eyed male (EE), where red eyes is dominant and white eyes is recessive
?
19.
What is chromosomal sex-determinism
?
22.
Why did Morgan believe the alleles for eye color of his fruit flies to be sex-linked
?
20.
What is the expected phenotypic ratio of XEXe x XEY, assuming eye color is sex-linked
?
21.
What is the expected phenotypic ratio of offspring between a white-eyed female and a red-eyed male
?
22.
What is the expected phenotypic ratio of XBEXbe (grey body/red eyes) x XbeY (yellow body/white eyes) supporting gene linkage
?
23.
Why did Morgan think that Mendel’s principle of independent assortment would be violated when considering his fruit flies’ body color and eye color
?
24.
Assuming gene linkage (or dependent assortment), what is the expected phenotypic ratio of the offspring from this cross: XBEXbe x XbeY?
?
25.
Assuming independent assortment, what is the expected phenotypic ratio of the offspring from the same cross as above: XBEXbe x XbeY
?
26.
Did Morgan’s results of the cross mentioned above (XBEXbe x XbeY) support gene linkage or independent assortment
?
27.
How did Morgan explain why his results didn’t support either gene linkage or independent assortment
?
28.
What happens during meiosis to explain Morgan’s crossing over hypothesis
?
29.
Why didn’t Gregor Mendel detect gene linkage
?
30.
How did Correns discover incomplete dominance
?
31.
Which theory of inheritance does incomplete dominance support
?
32.
How does codominance violate Mendel’s particulate inheritance hypothesis
?
33.
What is polygenic inheritance
?