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In Rabbits,genes T and R Are Located on the Same

question 29

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In rabbits,genes T and R are located on the same chromosome,20 map units apart.A colleague sends you one of his pure-breeding t r/t r males,which you cross to a T R/T R individual.Each of the T R/ t r F1 heterozygotes is then crossed back to your colleague's double homozygous recessive.Altogether,the backcrosses produce 50 rabbits,of which 24 are T R/t r,24 are t r/t r,1 is T r/t r and 1 is t R/t r. Which of the following explanations best justifies the results?


Definitions:

Specification Limit

Predetermined bounds within which a product or process’s performance must fall to be considered acceptable, often used in quality control.

Standard Deviation

A statistic that measures the dispersion or spread of a set of numbers.

Process Capability Index

A statistical measure that quantifies how well a process is able to produce output within specified limits.

Specification Fill Weight

The predetermined or designed weight of product that a package is intended to hold.

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