A pedigree shows the genotypes of the family members
in autosomal recessive disorders, the diseased genes are inherited from the parents. For the person to get the disease both diseased genes should be there in the genotype as its a recessive disorder.
the dominant gene - H
recessive gene - h
for a person to get a disease, genotype should be hh, as its autosomal recessive. If the person is normal he/ she could have the genotype HH or could be Hh and thats called a carrier.
the offspring will receive one gene from the mother and one from the father
Coral Bleaching is hazardous to fish because It leaves fish and corals vulnerable to deseases.And the average temperature of tropical oceans increases by 0.1 degrees C, over the past century.Fish are affected because, most fish in the ocean live in coral reffs, which end up dying, and leaving its habitant fish without a home.
Answer:
B - Python predation has caused a trophic cascade that changed the mosquitoes' niche.
Explanation:
The passage infers that the predation by the Burmese pythons has reduced the population of the animals in Southern Florida thus making the Culex cedecei mosquito to have a reduced number of options to feed from. This is stressed when the author notes that these mosquitoes are now feeding on cotton rats which harbor the Everglades virus that also have the potentials of being transmitted to humans.
Summarily, the passage is saying that the invasion by the Burmese python has changed the niche of most animals including the mosquitoes in the Southern Florida's wild.
Answer: the answer is c the independent variable is the presence of the rock tumbler and the student is modeling weathering.
Explanation:
Answer: 1 : 2 : 1
Explanation:
Carbohydrates were originally referred to as 'hydrates of carbon' because they contained hydrogen, oxygen and carbon.
Sugars, starches, cellulose, and gums all belong to the class of carbohydrates.
They are represented by the general formula Cx(H2O)y, where x and y must be whole numbers.
Thus, Carbohydrates contain carbon, hydrogen and oxygen in the ratio 1 : 2 : 1