Suppose that in the Linkage Analysis Project, you observed a Generation III individual that had a...
Suppose that in the Linkage Analysis Project, you observed a Generation III individual that had a recombinant chromosome. The crossing over even that produced this occurred during
Select one:
a. meiosis in a gamete producing cell in on of the Generation II plants.
b. mitosis in a gamete producing cell in on of the Generation II plants.
c. mitosis in a gamete producing cell in on of the Generation I plants.
d. meiosis in a gamete producing cell in on of the Generation I plants.
Homework Answers
a. meiosis in a gamete producing cell in one of the Generation II plants. Its during prophase 1 of meiosis that crossingover takes place so the rcombinaton should have occured in the gamet producing cells off generation II plants.
A crossing over in the gamet producing cells of generation I plants would have lead to a parental phenotype in the generation II plants, so the recombinants skipped a generation., Its like double crossing over a generation.
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Information Flag question Information text You are consulting with a family where sometimes a mutation that...
Information
Flag question
Information text
You are consulting with a family where sometimes a mutation that
leads to deafness (D) and a mutation that predisposes
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linked. Normally these two traits sort independently
but, in some individuals, a reciprocal translocation has moved them
to the same chromosome. The chromosome maps for an individual with
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Information
Flag question
Information text
You are consulting with a family where sometimes a mutation that
leads to deafness (D) and a mutation that predisposes
individuals to early heart failure (H) are
linked. Normally these two traits sort independently
but, in some individuals, a reciprocal translocation has moved them
to the same chromosome. The chromosome maps for an individual with
two normal chromosome pairs (Normal Arrangement), and a
translocation heterozygote (Translocation Arrangement) are shown
below.
Deafness and early heart failure are...
Nameindulia Los Drosophila Genetics Predictions-L113 (20 pts.) Part I. Meiosis and Punnett Squares Remember, whenever you use Punnett Squares to solve genetics problems, be sure you are completing each of the following steps: 1) Identify the genotypes of the parents. 2) For the specific traits of interest, figure out what kinds of haploid gametes each parent can make. In each gamete, there should be one allele for each trait of interest. If there is more than one trait, make sure...
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