Enzymes speed up the chemical reaction that takes place in cells. they are also important for digestion and metabolism.
Hello,
It usually takes place in the other countries not in the USA.
Hope this helps
When completing Punnett Squares, you cross the letters that meet up. For example, their are two TTs and two Tts. Dominant will always show before a recessive so if it's TT or Tt it will be the dominant version. two tt's mean that it's recessive. In a Punnett Square, one box = 25%.
Part A: The genotypic ratio is 50% TT and 50% Tt. The phenotypic ratio is 100% tall.
Part B: The two Tt's could produce a short plant because there is a 25% that the parents will both give t's.
Answer:
The correct option is <em>B. 25 %</em>
Explanation:
A heterozygous type can be described as the type in which both the alleles of a gene are different. If both the alleles of a gene are similar in an organism, then the person is said to be homozygous for the trait.
In the above question, two heterozygous parents are to be cross- bred to check the probability of them producing homozygous alleles (AA).
A punnet square made will show the following results:
A O
A AA AO
B BA BO
Hence, there will be 25% chance that the offspring produced could be homozygous AA.
Answer:
B. left atrium and C. left ventricle
