Huntington's disease is due to an autosomal dominant allele. If a heterozygous male marries a normal female, what percentage of the offspring will have Huntington's?

f an egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union

Folding of rock layers occurs where pieces of the Earth's crust A. slide sideways without pushing into each other. B. do not move at all. C. gradually stretch apart and become thinner. D. gradually squeeze together and move upward.

You cross two true-breeding parents (one with yellow seeds and one with green seeds), grow and self-pollinate the F1 generation, and then count the number of offspring with yellow and green seeds in the F2 generation.

Which of the following is an example of succession? O A. A forest fire takes place. Animals and plants compete for the remaining resources. O B. Big plants and small plants both grow near a lake O C.

Is it possible for two people to have the same phenotype but different genotypes?

Which rays of the electromagnetic spectrum are responsible for causing sunburn when you spend too much time exposed at the beach? A) Ultraviolet B) X-rays C) Gamma D) Visible E) Infrared Correct answer will be given the Brainliest! : D

Food and medical procedures can expose people to radiation. Therefore, the effects of radiation from a nuclear power plant are not a reason for concern. True False

What are 2 characteristics of tropism?

Rubbing the balloons against the woolen fabric or your hair creates static electricity. This involves negatively charged particles (electrons) jumping to positively charged objects.

Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? A) gamma aminobutyric acid B) acetylcholine C) cholinesterase D) norepinephrine