A normal sperm whose

chromosomes don't contain the sex chromosome that is responsible for life

can fertile a normal ovum and

a. Down's case occurs.

c. fetus death occurs

b. Klinefelter's case occurs.

d. normal male produces.

Name the three major types of formed elements found in blood

Which base is found in dna nucleotides, but not rna nucleotides?

A true-breeding long-eared owl mates with a true-breeding short-eared owl and all their many, many offspring were also short-eared. Ear length in owls is controlled by a single gene, E.

Describe a situation in which an alteration to a DNA base sequence does not affect protein shape and function.

Describe at least two ways in which some factories pollute the environment.

About how much of the United States is covered by forests? A 90% B 10% C 50% D 30%

What is the layer underground where all empty spacess are filled with water

What type of epithelial tissue is specialized to stretch repeatedly without damage?

A research team needs an antibody that binds to a protein of interest so that protein expression can be monitored. They use epitope tagging, adding an epitope (a sequence of amino acids) to the protein through DNA recombination.

A physician conducts a survey among 100 patients suffering from migraine headaches severity among his patients. What kind of data analysis would he apply to interpret the results obtained from this survey?