Biology, 29.11.2019 01:31 mikeeway33

In a population of plants with a diploid number of 12, a new individual appeared with a chromosome number of 24. if this organism could self-fertilize, forming offspring with the same number of chromosomes (24), scientists would consider this an example ) sympatric speciation.
b) behavioral isolation.
c) formation of a hybrid zone.
d) reduced hybrid fertility.

Answers: 3

Show answers

Another question on Biology

Biology, 22.06.2019 02:00

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Answers: 1

Answer

Biology, 22.06.2019 11:30

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43

Answers: 1

Answer

Biology, 22.06.2019 13:00

Blank is a rock with a find dark texture that makes up the oceanic crust

Answers: 1

Answer

Biology, 22.06.2019 19:00

Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides

Answers: 2

Answer

You know the right answer?

In a population of plants with a diploid number of 12, a new individual appeared with a chromosome n...

Questions

Biology, 28.10.2019 17:31

Maria is concerned because she has been exposed to a small amount of radiation during an x-ray. what is her doctor most likely to tell her?