Subject Experts Solutions for Exercise 1: TOPICWISE QUESTIONS

In a test cross of $\mathrm{PpQq}$ plant, the following progeny is obtained:

$$\begin{gathered} \mathrm{PpQq}=500 \\ \mathrm{Ppqq}=50 \\ \mathrm{PPQq}=100 \\ \mathrm{pp}qq=350 \end{gathered}$$

What is the distance between genes $\mathrm{p}$ and $\mathrm{q}?$

The following cross was conducted by Morgan on Drosophila.

In ${\mathrm{F}}_2$ generation, progeny had parental and recombinant traits in the ratio of $62.8:37.2$. What percentage of ${\mathrm{F}}_2$ progeny would have the given condition?

The number of linkage groups in a sperm and ovum of human is, respectively:

In the given below cross in Drosophila, if selfing of generation is made, the result observed by Morgan was

Which of the following is suitable for experiments on linkage?

Characters are determined by two or more gene pairs and they have additive or cumulative effect, such genes are called

If skin colour in humans is controlled by three gene pairs, then what is the number of intermediates and parental combinations in ${\mathrm{F}}_2$ generation?

Select the incorrect statement w.r.t. polygenic inheritance.