The father of Mr. Spock, first officer of the starshipEnterprise, came from the planet Vulcan. Mr. Spock’s mother camefrom Earth. Pure-bred Vulcans like Mr. Spock’s father have pointedears (P), no adrenal glands (A), and a right-sided heart (R) andare homozygous for all of these alleles. These Vulcan alleles aredominant over normal earthling alleles. These three genes areautosomal, and they are linked as shown in this map:
P__15 map units_________A_____20 map units________R
If Mr. Spock marries a woman from Earth, what is the likelihood(expressed as a percentage or as a decimal) that their childrenwould:
a) have Vulcan traits for all three of thesecharacteristics?
b) have Vulcan ears, earthling adrenal glands, and earthlingheart?
c) have Vulcan ears, earthling adrenal glands, and Vulcanheart?
