Questions from Genetics


Q: In Drosophila, an allele causing vestigial wings is 12.5

In Drosophila, an allele causing vestigial wings is 12.5 mu away from another allele that causes purple eyes. A third gene that affects body color has an allele that causes black body color. This thir...

See Answer

Q: Why are both of these colors considered to be wild type?

Why are both of these colors considered to be wild type?

See Answer

Q: Three autosomal genes are linked along the same chromosome. The distance

Three autosomal genes are linked along the same chromosome. The distance between gene A and B is 7 mu, the distance between B and C is 11 mu, and the distance between A and C is 4 mu. An individual th...

See Answer

Q: Let’s suppose that two different X-linked genes exist in mice

Let’s suppose that two different X-linked genes exist in mice, designated with the letters N and L. Gene N exists in a dominant, normal allele and in a recessive allele, n, that is lethal. Similarly,...

See Answer

Q: The alleles his-5 and lys-1, found in

The alleles his-5 and lys-1, found in baker’s yeast, result in cells that require histidine and lysine for growth, respectively. A cross was made between two haploid yeast strains that are his-5 lys-1...

See Answer

Q: In fruit flies, curved wings are recessive to straight wings,

In fruit flies, curved wings are recessive to straight wings, and ebony body is recessive to gray body. A cross was made between true-breeding flies with curved wings and gray bodies and flies with st...

See Answer

Q: A recessive allele in mice results in an unusally long neck.

A recessive allele in mice results in an unusally long neck. Sometimes, during early embryonic development, the long neck causes the embryo to die. An experimenter began with a population of true-bree...

See Answer

Q: The data with Figure 2.5 show the results of the

The data with Figure 2.5 show the results of the F2 generation for seven of Mendel’s experiments. Conduct a chi square analysis to determine if these data are consistent with the law of segregation.

See Answer

Q: Explain the technical differences between a cross-fertilization experiment versus a

Explain the technical differences between a cross-fertilization experiment versus a self-fertilization experiment.

See Answer

Q: How long did it take Mendel to complete the experiment in Figure

How long did it take Mendel to complete the experiment in Figure 2.5? From Figure 2.5:

See Answer