Questions from Genetics


Q: A triploid plant has 18 chromosomes (i.e., 6

A triploid plant has 18 chromosomes (i.e., 6 chromosomes per set). If we assume a gamete has an equal probability of receiving one or two copies of each of the six types of chromosome, what are the od...

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Q: What is a gene family? How are gene families produced over

What is a gene family? How are gene families produced over time? With regard to gene function, what is the biological significance of a gene family?

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Q: Following a gene duplication, two genes will accumulate different mutations,

Following a gene duplication, two genes will accumulate different mutations, causing them to have slightly different sequences. In Figure 8.7, which pair of genes would you expect to have more similar...

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Q: Two chromosomes have the following orders for their genes: Normal

Two chromosomes have the following orders for their genes: Normal: A B C centromere D E F G H I Abnormal: A B G F E D centromere C H I Does the abnormal chromosome have a pericentric or a paracentr...

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Q: An inversion heterozygote has the following inverted chromosome: /

An inversion heterozygote has the following inverted chromosome: What would be the products if a crossover occurred between genes H and I on the inverted chromosome and a normal chromosome?

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Q: An inversion heterozygote has the following inverted chromosome: /

An inversion heterozygote has the following inverted chromosome: What would be the products if a crossover occurred between genes H and I on the inverted chromosome and a normal chromosome?

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Q: Explain why inversions and reciprocal translocations do not usually cause a phenotypic

Explain why inversions and reciprocal translocations do not usually cause a phenotypic effect. In a few cases, however, they do. Explain how.

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Q: How might a better understanding of our genes be used in the

How might a better understanding of our genes be used in the field of medicine?

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Q: What is the meaning of the term genetic material?

What is the meaning of the term genetic material?

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Q: Make a side-by-side drawing of two DNA helices

Make a side-by-side drawing of two DNA helices: one with 10 bp per 360° turn and the other with 15 bp per 360° turn.

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