12 Jun What is the difference between a karyotype and a karyogram
Question
1.
What is the difference between a karyotype and a karyogram?
A.Karyotypes and karyograms are terms that are used interchangeably to describe chromosome mapping
B.Karyotypes describe the number of chromosomes and what they look like (size bands and centromere placement). Karyograms is the study of the whole set of chromosomes arranged in pairs by size, and position of the centromere
C.Karyograms describe the number of chromosomes and what they look like (size bands and centromere placement). Karyotypes is the study of the whole set of chromosomes arranged in pairs by size, and position of the centromere
D.Karyotypes are unstained chromosomes in interphase or prophase. Karyograms are stained chromosomes from metaphase
2. Which is likely to disrupt the function of the most genes: a 500kb deletion, a 500kb inversion, or a 500kb translocation?
A.Deletion
B.Inversion
C.Translocation
3. Serious disease syndromes are associated with trisomy of chromosome 21 (Down syndrome), 18 (Edwards syndrome) and 13 (Patau syndrome).
What is the result of trisomy of the other chromosomes?
A.no disease symptoms
B.minor disease symptoms
C.disease symptoms with varying severity based on genetic background
D.lethal early in development
4. Why do so many geneticists focus on studying yeast, fruit flies, nematodes, mice or the small plant Arabidopsis?
A.These pest organisms result in millions of dollars of damage and hurt the economy.
B.They are ideal for modeling human disease since they have all the same organs.
C.They have multiple features that allow for cheap, fast and efficient manipulation of genes and chromosomes.
D.They are some of the few organisms in which mutations can be generated.
5, Combination of alleles that independently assort is usually higher than the number of chromosomes because
A.gene linkage
B.crossing over
C.segregation
D.translocation
E.jumping genes
6. Your study partner is confused. “I thought Watson and Crick discovered genes – who are all these other people?”
Help out by matching each discovery with the scientist(s) who made it.
A. Morgan
B. Mendel
C. Sutton and Boveri
D. Punnett
E. Watson and Crick
selectABCDE 1. Traits arise from discrete units that remain unchanged even when not exhibited. ________
selectABCDE 2. Genes are carried on chromosomes. ________
selectABCDE 3. Genes nearby on a chromosomes are linked, but can become unlinked by recombination. ________
selectABCDE 4. DNA has a double helical structure. ________
selectABCDE 5. Developed a technique for predicting the outcome of crosses. ________
7. A karyogram that contains 23 pairs of chromosomes with a different pair for the 23rd pair would describe a(n)
A.autosomal pair
B.male
C.female
D.disorder
8. Nondisjunction during meiosis I will result in ________.
A.n
B.n-1
C.n+1
D.n+1 and n-1
E.n, n-1, and n+1
9. The most common time individual assortment occurs is when genes are ________?
A.on non-sister chromatids of homologues
B.linked
C.close together
D.unlinked
10. If the parents are AABBCC X aabbcc, what would represent the parental gametes? Select all that apply
A. abc
B. ABC
C. aBc
D. ABc
E. abC
F. aBC
G. Abc
H. AbC
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