Homework Answers
Ans 1) haplotype = haploid Genotype. These are the group of genes inherited together from a single parent. Or are genes that are inherited from one parent on one Chromosome.
So, Accordingly correct answer is Option A, a group of Alleles inherited together on the one Chromosome.
Ans 2) STR = short tandem repeats also called microsatellite. These are short sequences on Chromosomes that are repeated number of times. In DNA they are repeated and the short sequence can have 2-10 base repeating.
So, accordingly correct answer is Option 1, repeat sequence of approximately 2-9 bases at that locus.
Ans 3) the chance that the person 6 has Genotype FH is :
Parent = EF and GH
| E | F | |
| G | GE | GF |
| H | HE | HF |
FH or HF = 1
Total possible = 4
Probability = 1/4
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Question 9 3 pts Although the MHC locus tends to be inherited as a unit called...
Question 9 3 pts Although the MHC locus tends to be inherited as a unit called a haplotype, in some cases a child receives a combination of two haplotypes from one of their parents. Which of the following is likely responsible for this? Crossing over outside of the MHC locus during meiosis Recombination during DNA damage repair within the MHC locus in the parent's somatic cells Inheritance of different haplotypes from each parent Crossing over within the MHC locus during...
2. Short tandem repeat polymorphisms (STRPs) are genetic markers that have multiple alleles per locus in...
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The autosomal dominant disease nail-patella syndrome is linked to the ABO blood type locus. The pedigree...
The autosomal dominant disease
nail-patella syndrome is linked to the ABO blood type locus. The
pedigree below shows a family in which some individuals are
affected by nail-patella syndrome. The blood type of each
individual is given as capital letters above each individual
symbol.
Can you explain this pattern without a cross-over event? If not
in which individual did the cross-over occur?
А. B — 1 2 АВ 0 ІІ 1 2 A B B B A B B A...
93. The pedigree below shows the sex-linked recessive inheritance of Nance-Horan syndrome, a rare Mendelian disorder...
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The pedigree below shows the inheritance pattern of a sex-linked allele for one family. What is...
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1. 2. 13. Which statement explains why the recombination frequency between two genes is always less...
1.
2.
13.
Which statement explains why the recombination frequency between two genes is always less than 50%? Recombination cannot be more than 50% because chromosomes are only 50 map units in length. The genotype of the F, gametes will always be 50% parental gametes and 50% recombinant gametes. Genes with a recombination frequency near 50% are unlinked and have an equal likelihood of being inherited together or separately. F1 gametes always have 50% of their alleles from each parental...
Question 9 3 pts Although the MHC locus tends to be inherited as a unit called a haplotype, in some cases a child receives a combination of two haplotypes from one of their parents. Which of the following is likely responsible for this? Crossing over outside of the MHC locus during meiosis Recombination during DNA damage repair within the MHC locus in the parent's somatic cells Inheritance of different haplotypes from each parent Crossing over within the MHC locus during...
2. Short tandem repeat polymorphisms (STRPs) are genetic markers that have multiple alleles per locus in the population. Since there are more than 2 alleles for a STRP, we have to use numbers rather than A/a or +/- to indicate their identities. The following pedigree corresponds to the genotype table below. The order of alleles listed for each genotype does not indicate anything about haplotype (e.g. "1,2" could mean 1 is on the maternal chromosome and 2 is on the...
Question 12 1 pts Match the numbers first through sixth, to correctly sequence the steps in the process of protein synthesis. Ribosome "reads" the sequence of bases on the mRNA strand. > [Choose ] Polypeptide is formed. [Choose] mRNA strand leaves the nucleus and goes to a ribosome in the cytoplasm. [Choose] < DNA gene sequence is transcribed onto a mRNA strand in the nucleus. [Choose] tRNA molecules bring amino acids to mRNA strand according to its sequence of bases....
The autosomal dominant disease nail-patella syndrome is linked to the ABO blood type locus. The pedigree below shows a family in which some individuals are affected by nail-patella syndrome. The blood type of each individual is given as capital letters above each individual symbol. The image can also be downloaded here: Figure B Final.pdf A B - 2 AB II 2 A B B B A B B A 2 3 4 5 6 7 8 Can you explain this...
2. (5 PTS) You are presented with a patient, named Gerry, who has Down syndrome (trisomy 21). You determine that the nondisjunction event occurred in his mother, named Mary, during meiosis I. a. You are interested in the TPTE gene, which is near the centromere of chromosome 21. Virtually no recombination occurs between the centromere and the TPTE gene. Mary has two different alleles of the TPTE gene. Would Gerry's two chromosome 21s from his mother have the same or...
The autosomal dominant disease
nail-patella syndrome is linked to the ABO blood type locus. The
pedigree below shows a family in which some individuals are
affected by nail-patella syndrome. The blood type of each
individual is given as capital letters above each individual
symbol.
Can you explain this pattern without a cross-over event? If not
in which individual did the cross-over occur?
А. B — 1 2 АВ 0 ІІ 1 2 A B B B A B B A...
93. The pedigree below shows the sex-linked recessive inheritance of Nance-Horan syndrome, a rare Mendelian disorder in which affected persons have cataracts and abnormally shaped teeth. What is the probability that the first child of IV-6 and V-3 would have Nance-Horan syndrome? Iv A) 114 B) 1/2 C) 1/8 D) 3/16 E) 3/4
The pedigree below shows the inheritance pattern of a sex-linked allele for one family. What is true about the genotype of individuall-2? 1-1 1-2 II-1 II-2 II-3 II-4 III-1 III-2 The disease is caused by a dominant allele (D) and his genotype is dd He must have the genotype X'Y The disease is caused by having two recessive alleles (dd) and his genotype is He has the recessive disease allele on his X chromosome XY He has the dominant disease...
1.
2.
13.
Which statement explains why the recombination frequency between two genes is always less than 50%? Recombination cannot be more than 50% because chromosomes are only 50 map units in length. The genotype of the F, gametes will always be 50% parental gametes and 50% recombinant gametes. Genes with a recombination frequency near 50% are unlinked and have an equal likelihood of being inherited together or separately. F1 gametes always have 50% of their alleles from each parental...
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