Answer:
, donner un exemple de deux plaques divergentes ,et de deux plaques convergentes
??
Explanation:
tprenna
Answer:
im not sure what you mean by this question but ill answer the best way i can!
Explanation:
- Bread and baked goods
- Milk chocolate and some candies
- Salad dressings and sauces
- Breakfast cereals and cereal bars
- Instant potatoes, soups, rice and noodle mixes
- Lunch meats (other than kosher)
- Cheese flavored crackers and other snacks
these are foods containing lactose in them, which lactase breaks down.
hope this helps!
Answer:2 creeper, I normal
Explanation: According to mendelian law when 2 creeper are crossed we should have 3 creeper and 1 normal but because homozgous allele is lethal(lethal means allele that are deleterious and it causes the death of the individual carrying it) it leads it death and we have 2 creeper and 2 normal. The creeper are heterozyous having two different allele.
For everywhere that homozygous individual that are dominant for creeper occur it will always leads to there death because the allele are lethal
Answer:
According to Darwin's theory of evolution, new species evolved as a result of natural selection.
Explanation:
- Darwin proposed that speciation could readily occur through the prolonged action of Natural selection.
- Natural selection allows the 'survival of the fittest' i.e. a more fit organism will have a better chance of survival than the less fit one.
- The result of Natural selection could be positive,negative or balancing.
- Evolutionary process in which the genetic changes confer a higher fitness to increase frequency of the organism over time in population is called positive selection.
- Evolutionary process in which genetic changes decreases the organism's fitness resulting in its disappearance from the population is called Negative selection.
- It may happen that a mutation benefits hetero-zygotes but not homo-zygotes and alleles maintain a intermediate frequency in population.This evolutionary process is called balancing selection.