Answer:
False
Explanation:
In DNA, there are four possible nitrogen bases – adenine (A), guanine (G), cytosine (C), and thymine (T). In DNA, nucleotides combine to form two long chains that intertwine with each other, like a ladder that has twisted into a spiral.
Answer:
Dominance
Explanation:
Mendel discovered certain principles that governs heredity or inheritance when he conducted experiments. In his experiments, he discovered that an organism receives two copies of a gene called allele, from each parent.
He discovered that one allele of a gene has the ability to mask or suppress the expression of its allele variant in the same gene. He called the allele that masks or is expressed, DOMINANT allele, while the allele that is masked, RECESSIVE allele. Based on this observation, he named his first principle, LAW OF DOMINANCE.
In this case, he crossed a purebreeding round-seeded pea plant and a purebreeding wrinkled-seeded pea plant, he noticed that in the F1 generation, all the offsprings possessed round seeds. This led to the conclusion that the allele for round seeds masks the phenotypic expression of the wrinkled allele in a heterozygous state. Hence, the allele for round seeds is dominant while the allele for Wrinkled seeds is recessive.
They differ in single trait
Answer:
C) gills
Explanation:
becausethe tadpoles starts to lose its gills and develop teeth. Soon after this their back legs develop, their diet changes and they become carnivorous
The answer is A. True.
Plankton includes a diverse group of organisms that live in the water but are not capable of active swimming against the water current. On the contrary, nekton<span> includes a diverse group of organisms that live in the water but are capable of active swimming without the help of the water current. A shark is capable of active swimming, therefore, it is the example of nekton.</span>
