What are some questions that biologists might ask about the living things they study?

Trisomy 21, or Down syndrome, occurs when there is a normal diploid chromosomal complement but one (extra) chromosome 21. While there is reduced fertility in both sexes, females have higher fertility than males.

What makes the phosphorus cycle different from the carbon cycle?

How many types of flowers are there in the world?

Phase of the moon when you see only half of the lit side after full moon

One reason why RNA molecules are the leading candidate as the first informational molecule is that a. some RNA molecules can function as enzymes. b. RNA nucleotides are a major component of cell membranes. c.

which season is occuring in Earth's northern hemisphere when Earth's southern hemisphere is tilted toward the sun?

Could a person inherit homozygous recessive alleles for both alkaptonuria and and phenylketonuria? If so, what would the symptoms be?

Which is a common age-related physical change that may affect digestion and food intake? a. loss of the majority of taste buds b. decreased cholecystokinin secretion c. decreased motility in the esophagus d. loss of smell?

If an organism''s diploid number is 12, what would be its haploid number?

Hola : D Necesito saber que relacion tiene la forma del tejido con el organo al cual pertenece