Answer to: Describe the male and female sex chromosomes, including where each originates. How many chromosomes are found in gametes? How many in...
In an angiosperm, how many microspore mother cells are required to produce 100 pollen grains? View Solution How many microspore mother cells are required to produce 80 male gametes in angiosperms View Solution View Solution View Solution View Solution ...
Explain how a zygote gives rise to many different specialized cell types and tissues. How do mesodermal cells invaginate in amphibians? Explain the major types of tissues and their functions. How are germ cells and gametes related? How would you expect the number of cell layers in an epitheli...
coli cell can duplicate its DNA strand and split into two new cells in 20 minutes. Now, imagine that someone pours an antibiotic into the petri dish. Many antibiotics kill bacteria by gumming up one of the enzymes that the bacteria needs to live. For example, one common antibiotic gums ...
Pollen grains are, in essence, plant sperm. Or perhaps more technically, sperm sedans. Inside, they contain the male gametes, which is the portion of DNA needed for plant reproduction. There are many unique adaptations to help the pollen get where it needs to go -- namely, its own species...
How many drops of sperm are needed to get pregnant?If your sperm count is normal, you will ejaculate millions and millions of sperm cells. But only one of them is required to fertilize an egg and start a pregnancy. What’s an ideal sperm count for reproduction?You should have at least ...
How many microspore mother cells will give rise to 256 microspores aft... 01:37 Which of the following statement is incorrect w.r.t. class cyclostomat... 03:15 A type of granulocyte and agranulocyte (i) are phagocytic cells that... 02:41 Which of the following statement about human ...
Accordingly, the definition for the GO cellular compo- nent term "cytoskeleton" followed one of many diction- ary and textbook definitions, beginning "Any of the various filamentous elements that form the internal fra- mework of eukaryotic cells". In recent years, however, evidence has ...
How many sexes do humans have? Based on the sole criterion of production of reproductive cells, there are two and onlytwo sexes: the female sex, capable of producing large gametes (ovules), and the male sex, which produces small gametes (spermatozoa). ...
How many gametes do humans have in their somatic cells? If a cell containing 10 chromosomes divides by mitosis, how many daughter cells will be produced? How many stages are there in somatic cell division? How many chromosomes are present after cytokinesis?