The Two Loci Y (Y)and R (R)are Normally 20 Map

question 16

Multiple Choice

The two loci Y (y) and R (r) are normally 20 map units apart.A particular dihybrid individual is heterozygous for an inversion that spans 98% of the region between Y and R,but does not include Y or R.If this dihybrid is testcrossed to an individual with normal chromosomes,the recombinant frequency in progeny will be:

• A)more than 20%.
• B)20%.
• C)less than 20%,but more than 10%.
• D)10%.
• E)less than 10%.

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Definitions:

Mosquito nets

A mesh fabric used to prevent mosquitoes from entering a space, reducing the risk of mosquito-borne diseases.

Handwashing

The act of cleaning hands with soap and water or hand sanitizer to remove dirt, germs, and other contaminants.

Indigenous peoples

Ethnic groups who are the original inhabitants of a given region, maintaining traditions or other aspects of an early culture associated with a particular territory.

Breastfeeding rates

The percentage or proportion of infants who are breastfed, often analyzed for understanding public health and nutritional trends among populations.