Answer:
1/16
Explanation:
Sickle-cell disease is caused by a homozygous recessive genotype <em>dd</em>.
A man and a woman both heterozygous Dd will have the following offspring:
The probability of having a <em>dd</em> child with Sickle-cell disease is 1/4. Each time they have children the gamete combination is random, so the genotype of the second child is independent from the genotype of the first child.
According to rules of probability, if two events are independent from each other, the probability of both happening is calculated by multiplying the individual probabilities of each.
Therefore the probability of having the first two children with the disease is 1/4 x 1/4 = 1/16.
Most likely an altimeter,
microscopes can be too heavy to carry outside,
x-ray diffraction is used to determine the molecular structure of a crystal so that is not likely to be helpful,
but an altimeter determines the altitude of an object on a fixed level, so that can be useful during a field investigation
hydrometers-measure gravity of liquids, probably not useful for a field investigation
According to Darwin, Factors that affect growth of populations:
1) Birth rate
2) Death rate
3) Immigration
4) Emigration
Hope this helps!
Because the surface of a leaf is smooth if the surface was rough the water would get stuck but it is smooth so the water just rolls off
Answer:
The three products of cellular respiration are:
- ATP
- Water
- Carbon dioxide
Explanation:
- Cellular respiration is the process of breaking down glucose molecules to yield energy in the form of ATP.
- C6H12O6 + 6O2 → 6CO2 + 6H2O
ATP Production:
- The first step of cellular respiration, glycolysis, yields 2 net ATP.
- The second step, Kreb's cycle produces 10 NADH and 2 FADH2 molecules. Both these molecules store energy that is released in the electron transport chain to produce 34 ATP.
- Therefore, a total of 36 ATP are produced as a result of cellular respiration in eukaryotes.
Carbon dioxide Production:
- 2 molecules of CO2 are produced during the conversion of pyruvate into Acetyl Co-A by the <em>pyruvate dehydrogenase</em> complex.
- 4 molecules of CO2 are produced in the Kreb's cycle.
Water Production:
- Water is produced in the Electron Transport Chain (ETC) by the reduction of oxygen.
