2. Zebra fish are raised in fish tanks with one family per tank. The mutation zombie...
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2. Zebra fish are raised in fish tanks with one family per tank. The mutation zombie (zom) is a recessive lethal. The embryos develop for a short while before dying off (and can be seen/ID'ed by researchers). A stock tank for zombie was made by crossing two carriers. P: +/- V +/- ++ a) Fill out the Punnett square for this cross: b) What frequency of embryos from this cross die? (use your above Punnett Square to answer.) The frequency is 1/4 or 0.25 The fish in the stock have grown up and are in a single tank with about 50 fish, and you are faced with identifying new carriers from the tank using random crosses. c) What is the frequency of carriers in a tank? (use your above Punnett Square to answer.) (1/4) x 50= 12.5 is the frequency of the carriers d) How can you identify (ID) the carriers? The carriers can be identified by weather e) For the fish you don't ID from the tank, what can you say about their possible genotype(s)? Phenotype(s)? 2. Zebra fish are raised in fish tanks with one family per tank. The mutation zombie (zom) is a recessive lethal. The embryos develop for a short while before dying off (and can be seen/ID'ed by researchers). A stock tank for zombie was made by crossing two carriers. P: +/- V +/- ++ a) Fill out the Punnett square for this cross: b) What frequency of embryos from this cross die? (use your above Punnett Square to answer.) The frequency is 1/4 or 0.25 The fish in the stock have grown up and are in a single tank with about 50 fish, and you are faced with identifying new carriers from the tank using random crosses. c) What is the frequency of carriers in a tank? (use your above Punnett Square to answer.) (1/4) x 50= 12.5 is the frequency of the carriers d) How can you identify (ID) the carriers? The carriers can be identified by weather e) For the fish you don't ID from the tank, what can you say about their possible genotype(s)? Phenotype(s)?
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Answer rating: 100% (QA)
a Let Zom Zom be the alleles of zebra fish for mutation zombie The genotype ZomZom is homozygous dominant showing a normal phenotype The genotype ZomZ... View the full answer
Related Book For
Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
Posted Date:
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