A child receives an X chromosome from its mother and Y chromosome from his father what is true about this child

One of the structures in the nucleus (of eukaryotic cells that are made up of dna is called a (n.

In an experiment, what is the factor that is tested?

Name four biochemical reactions that can be observed in kia medium

A polymer is comprised of repeating monomers that are connected to each other through dehydration synthesis reactions. What are the monomers of DNA (a polymer) ?

The students in Mr. Ferrell's class put plants in pots. Then, they put the pots outside in four places. They watched the plants for a week. The weather was mostly sunny, but it rained during three afternoons.

What is the chemical symbol for ozone

What's a cardiovascular system?

Select the correct answer. Which is the most accurate description of an ecosystem? A. An ecosystem consists of a biological community-the physical and chemical factors-that make up its abiotic environment. B.

What are the two main reasons why mitosis is vital to our survival

Which would least likely result from a chromosomal change? a. death of the cell or organism b. no effect on the cell or organism c. enhanced ability of the organism to reproduce d. change to the phenotype of the organism