Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different-colored eyes in an individual, produced 25 offspring with his normal-eyed wife. Of their children, 15 were heterochromatic and 10 were normal. Calculate the chi-square value for this observation.

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

The phylogeny chart shows the evolution of camels. camelus is the modern-day camel. based on this chart, which three statements are true? ⭕ modern camels are more related to stenomylus than to eschatius. ⭕ stenomylous and modern camels do not share a common ancestor. ⭕ modern camels are more related to camelops than to aepycamelus. ⭕ pliauchenia and oxydactylus may share similar features. ⭕ procamelus and stenomylous may share similar features.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry