Which sex chromosome contains more genes?

A. y

B. x

Why do organisms resemble one another?

Explain why there might be some resistance to the use of biotechnology.

Joe was observing an embryo with 16 cells. what is a 16-celled enbryo called?

In the form of gene therapy used successfully for severe combined immunodeficiency syndrome, the genetic engineering of human cells is done by

In relation to natural gas, where is crude oil generally found? A. Crude oil is found above natural gas reservoirs. B. Crude oil is found next to natural gas reservoirs. C. Crude oil is found below natural gas reservoirs. D.

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.