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7dog47 7dog47
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Posts: 15
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9 years ago
Q1.
Wesrock school has 645 students of which 122 students cannot roll their tongues. Students who can roll their tongues are phenotypically dominant to non-rollers.
a) Find the frequency of the two alleles involved.

b) Find the probability of the three genotypes.

c) Find the number of wesrock students who are homozygous dominant, who are carriers, and tho are homozygous recessive.


Q2.
A population of rattlesnakes contained 1000 individuals at the beginning of a year. During the year, the population changed in the following ways: births 106, deaths 53, immigration 42, and emigration 15. The population occupied an area of 60 hectares.

a) Calculate the rattlesnake population density at the beginning of the year.

*round to two decimal places

b) Calculate the per capita growth rate for the rattlesnake population over the year.

*round to two decimal places
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wrote...
9 years ago
yes
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