Sexual dimorphism is the genetic feature of some species that provide differences in the appearance of males and females. Anole species are species of lizards and the species that do not show sexual dimorphism is the green anole lizard. Both genders of lizards have the same appearance.<span />
That was the picture, here is the math. Rather than computing all the individual probabilities then multiplying them out, I prefer to compute the probability distribution of each generation and pass it along that way.
The grandfather's probability of being Tt is 2/3. *If he is Tt* each of his offspring (2a and 2b) has a 1/2 probability of being Tt as well. So overall, the probability for each of his offspring being Tt is 2/3 * 1/2 = 1/3.
The offspring are independent events (one would hope) so the probability of both his offspring 2a and 2b being Tt is 1/3 * 1/3 = 1/9.
If 2a is Tt, 2a and TT spouse have a 1/2 probability of producing a Tt offspring. The same argument applies to 2b. The probability that 2a and 2b produce Tt offspring is 1/2 * 1/2 = 1/4. But the probability that 2a and 2b were Tt is 1/9 as calculated above. So the probability that 3a and 3b are both Tt is 1/4 * 1/9 = 1/36. So there is a 1/36 chance that 3a and 3b both are carriers.
If 3a and 3b have a child and if they are both Tt carriers, the probability that they will have a tt child is 1/4. The probability that 3a and 3b are both carriers is 1/36. So to obtain the probability of a tt child is 1/4 * 1/36 = 1/144.
I hope that this is the answer that you were looking for and it has helped you.
wood- renewable resource that can be burned
oil- spills can destroy aquatic ecosystems
hydroelectric power- uses the kinetic energy of water
nuclear power- creates radioactive waste
coal- burning releases CO2 into the air
<span>each set of three nitrogen bases representing an amino acid is referred to as a condon.</span>
Feldspar is part of a cystal system called monoclinic crystal system. All crystal systems ave axes sides that meet perpendicularly. In the monoclinic system, two of the axes meet at 90º<span>, but another axis does not meet these two.</span>Minerals that also belong to this group includes azurite, jadeite, lazulite, malachite, sphene, spodumene, etc.