Homework Answers
Recombination frequency = number of recombinants / total number of progenies × 100
Number of recombinants = always in the minimum number
Total number of progenies = 552 + 63 + 15 = 630
Total number of recombinants = 63 + 15 = 78
Recombination frequency = 78 / 630 × 100 = 12.38%
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I'm not sure how to do part B, please help, and show the work
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Bb Problems, Set 6 Name A cross between an Hfr bacterial strain with genotype val met...
Bb Problems, Set 6 Name A cross between an Hfr bacterial strain with genotype val met tyr.is crossed with an F strain with genotype val met tyr. Val is known to enter last, and so val" recombinants are selected on medium that contains no val (only met and tyr). Recombinant colonies are then tested for met and tyr". The table summarizes the results. #Colonies 552 valt met tyrt Genotype valt met+tyrt valt met- tyr+ valt met- tyr. valt met+ tyr-...
3. (7) Suppose that you have selected E. coli that can grow only when the medium...
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mutant that you believe is defective in a new gene require for
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genetics questions. Please help thank you!
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Practice questions for BIO 340 (Exam 2) I need help with these questions Please. WILL GIVE...
Practice questions for BIO 340 (Exam 2) I need help with these
questions Please. WILL GIVE GOOD RATING
1. Wild type blue-eyed mary has blue flowers. Two genes control the pathway that makes the blue pigment: The product of gene W turns a white precursor into magenta pigment. The product of gene M turns the magenta pigment into blue pigment. Each gene has a recessive loss-of-function allele: w and m, respectively. A double heterozygote (Ww Mm) is self-pollinated. What proportion...
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I'm not sure how you complete part two, Please show full work
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The question was: On January 1, 2015, Bob Delgado, Sandra Castell, and Stan Frey formed a partnership by investing $130,000, $110,000, and $120,000 respectively. During the remainder of the year, Bob Delgado withdrew cash of $21,000, Sandra Castell withdrew $39,000 and Stan Frey withdrew $33,000. In addition, the following schedule shows how net income is allocated. Total 126,000 Bob Delgado Sandra Castell Stan Frey Net income...
Bb Problems, Set 6 Name A cross between an Hfr bacterial strain with genotype val met tyr.is crossed with an F strain with genotype val met tyr. Val is known to enter last, and so val" recombinants are selected on medium that contains no val (only met and tyr). Recombinant colonies are then tested for met and tyr". The table summarizes the results. #Colonies 552 valt met tyrt Genotype valt met+tyrt valt met- tyr+ valt met- tyr. valt met+ tyr-...
3. (7) Suppose that you have selected E. coli that can grow only
when the medium is supplemented with cysteine. You isolate one
mutant that you believe is defective in a new gene require for
cysteine biosynthesis - cysX .
You have two strains of bacteria:
Hfr cysX - gal+ his+ lac+ pur+ trp+ ton s
F - cysX+ gal - his - lac - pur - trp - ton R
A) What supplements would you need to add to...
3. (7) Suppose that you have selected E cofthat can grow only when the medium is supplemented with cysteine. You isolate one mutant that you believe is defective in a new gene require for cysteine biosynthesis- sX You have two strains of bacteria: Hitr cysX- galehislac+ purtrpefort cysX+gal-his-tac-pur-trp-tort A) What supplements would you need to add to minimal media to recover all cysX lach, fon recombinants? Would you add glucose? B) What recombinant genotypes would you recover on plates containing...
genetics questions. Please help thank you!
t0 1-3. Match each of the following with the correct type of gene transfer in bacteria (conjugation, transformation, or transduction) niee (a) Hfr x F- (b) Bacteriophage needed (c) Naked DNA transferred (d) Plaques formed (e) Direct contact between bacterial cells () F+xF- In Drosophild, the ganes ct (cut wing).yello ly), and v (vermilion cye color) arc all X-linked. Females hetcrozygous for all thrcc markers were mated with wildtype males, and the following malc...
Practice questions for BIO 340 (Exam 2) I need help with these
questions Please. WILL GIVE GOOD RATING
1. Wild type blue-eyed mary has blue flowers. Two genes control the pathway that makes the blue pigment: The product of gene W turns a white precursor into magenta pigment. The product of gene M turns the magenta pigment into blue pigment. Each gene has a recessive loss-of-function allele: w and m, respectively. A double heterozygote (Ww Mm) is self-pollinated. What proportion...
I'm not sure how you complete part two, Please show full work
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