In humans, Tongue roller and widows peak are dominant over non-tongue roller and straight hairline. A heterozygote in both regards (for both tongue roller and hairline) reproduces with a similar heterozygote (they have the same genotype as the other parent).  What is the chance of any one child having the same phenotypes as the parents?  (You will need to do the cross and count up the offspring phenotypes and give a percentage such as 8/16 = 50%)

A black guinea pig is mated to a white guinea pig, and they produce 12 black offspring Then, the same white guinea pig is mated to a different black guinea pig, and they produce 7 black and 5 white offspring. What is the best explanation for the difference between these two matings? In your answer, you must include genotypes for the parents and offspring of each cross.

In peas, the dominant R allele produces peas that are round, whereas the recessive r allele produces peas that are wrinkled. The dominant Y allele produces yellow peas, and the recessive y allele produces green peas. If two heterozygous round, yellow pea plants (RrYy) were crossed (RrYy X RrYy), answer the following regarding the possible progeny.  QUESTION:  What proportion of the offspring will have the genotype RR?   Question 10 options:   1/2   1/16   1/4   3/4

In certain lizards, scaly skin is dominant to smooth skin and speckled color is dominant to grey color. These traits are inherited according to traditional Mendelian genetics (no linkage). The total progeny for a breeding pair of lizards resulted in the offspring listed below. What are the genotypes of the male and female parents? 102 scaly skinned, speckled off spring 110 smooth skinned, speckled offspring 38 scaly skinned, grey offspring 32 smooth skinned, grey offspring