Answer:
hmm
Explanation:
what, tell me the answer your looking for is it definition or where they are found
Answer:
25
Explanation:
Let stem length be represented by T and t alleles ( T is dominant over t ) and flower position be represented by A and a alleles ( A is dominant over a ).
A dihybrid cross of heterozygous pea plants will give progeny in following ratio:
TtAa X TtAa :
T_A_ = 9
ttA_ = 3
T_aa = 3
ttaa = 1
So, the ratio will be 9:3:3:1 where dwarf, terminal flower plant (ttaa) will be 1/16.
If 400 seeds are planted, (1/16)*400 = 25 plants will be expected to be dwarf with terminal flowers.
Because after they turn into new cells the old one is simply turned into a different energy
The kidneys.
The kidneys keep blood isotonic by removing excess salt and water through urine.
Answer:
Automatically start to breathe when the CO₂ levels in the blood reach a high enough value
Explanation:
When a baby holds his breath for long, the accumulatio of carbon dioxide occurs in tissues and blood and as a result the partial pressure of the carbon dioxide increases and that of oxygen decreases in the blood. The body is sensitive towards the levels of carbon dioxide and thus if it increases too much above the normal amount it leads to irritation in the lungs and lungs muscles are triggered form the respiratory part of the brain to take breath.