Hexaploid Wheat Was Produced Synthetically by He and Co-Workers

question 5

Multiple Choice

Hexaploid wheat was produced synthetically by He and co-workers.They mated the diploid species,Aegilops tauschii,and the tetraploid species,T.turgidum.Which of the following is an accurate statement about the relative contribution of each parent to the genome of the hexaploid offspring?

• A)Each parent contributed equally to the genome of the offspring.
• B)Aegilops tauschii contributed four chromosomes by failing to complete meiosis after chromosome replication,and T.turgidum contributed two chromosomes.
• C)Aegilops tauschii contributed two chromosomes,and T.turgidum contributed four chromosomes.
• D)The hexaploid number appeared following mitosis with no subsequent cell division.

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Definitions:

Bootstrap Confidence Interval

A method in statistics for estimating the range within which a population parameter is likely to lie, based on resampling with replacement from the sample data.

Median Weight

The middle value in a list of weights sorted from lowest to highest, dividing the distribution into two equal halves.

Toronto

The capital city of the province of Ontario in Canada, known for its high population density and cultural diversity.

Least Likely

Refers to the outcome or event with the lowest probability of occurrence among all considered alternatives.