how many pronuclei are found in fertilized oocytes and what is their origin?
Fertilized oocyte just after fertilization contains 2 pronuclei and one is from father and the other is from mother.
how many pronuclei are found in fertilized oocytes and what is their origin?
4. Oogenesis in females begins in ultero prior to birth. All the oocytes are found within a female ovary that have already begun the process of meiosis and have stopped along the way. Which of these would you call oocyctes? A- primordial follicle B- secondary follicle C- primary oocytes D- Secondary oocytes E- oogonia
6. How is an eukaryotic chromosome replicated? How many start points or origins are found on an eukaryotic chromosome and does replication proceed from in one direction or in both directions from each origin?
What are the sequences found in the origin of replication in a bacterial DNA? Explain briefly how DNA polymerases lessen errors in DNA replication. Why are there Okazaki fragments in the lagging strand during replication?
What are oocytes surrounded by? Why do you think the surrounding structures are physiologically important?
How can an unequal distribution of chromosomes occur in a fertilized egg?
Question 3 0.28 pts In sea urchin oocytes, what is the layer closest to and within the jelly layer? O yolk granules vitelline envelope O cortical granules O cytoplasm Question 4
in a rose flower (angiosperm) the unfertilized egg has 18 chromosomes. later the egg is fertilized by a sperm. how many chromosomes does the embryo have? how many chromosomes does the endosperm have? how many chromosomes does the integument have?
1) If the egg with two copies of chromosome 21 were fertilized by a normal sperm how many copies of chromosome 21 would there be in the zygote? 2) How many copies of chromosome 21 would there be in each cell in the embryo that developed from this zygote?
how many atoms can be found in a mole of mercury
How many atoms can be found in a mole of mercury? 6.02 x 102 atoms 201 atoms 121 x 10 atoms
What if plants had triple fertilization and two sperm fertilized two eggs while the other sperm fertilized the polar nuclei? Would this be a super plant or would this plant be at a disadvantage? Explain.