U.s energy information office
There would be a change in the food chain
Answer:
B - between 100 and 500 million year old.
Explanation:
Because X is older than the 100 layer but younger than the 500 layer according to the position in the picture.
Answer:
When the plant cell is placed in a hypotonic solution , it takes up water by osmosis and starts to swell, but the cell wall prevents it from bursting. The plant cell is said to have become "turgid" i.e. swollen and hard. The pressure inside the cell rises until this internal pressure is equal to the pressure outside.
Explanation:
Answer:
f(A1) = 0.9700, f(A2) = 0.0300
Explanation:
The frequency of homozygous recessive genotype of children is
As per Hardy weinberg's equation, frequency of homozygous recessive genotype is represented by
Here
Thus, frequency of recessive allele would be
as per first law of Hardy weinberg
Hence, option C is correct