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Veloc cattle have very fast moving sperm, but few of them. Quant cattle have a v

ID: 163270 • Letter: V

Question

Veloc cattle have very fast moving sperm, but few of them. Quant cattle have a very hig sperm count, but those sperm barely move. In both of these cattle, their sperm specialization (speed and count, respectively) has been linked to genetic variation on the chromosome. A cattle husbandry farmer would like to create a line of cattle with a high count of fast sperm. Could she cross Veloc and Quant cattle to do so? Show how, or explain why not. Consider an individual with the following chromosomes. Order the following gamete haplotypes by their likelihood (most likely to least likely) aBCD abcD AbCd

Explanation / Answer

Yes he can create a cross of veloc and cattle to do so

as

veloc=>T=hgh speed

quant=t=high count

by a cross between the two we have =>T x t=>Tt=>This will create a combination of high speed and high count sperm leading to a sperm which is very fast and good in size which can help the farmer easily.