How can Silly Putty and a hard, plastic cube be used to model different layers of Earth?

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

The diagram shows a chicken embryo and a human embryo

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.