Answer:
a) Genotype of each parent plant= Tt
b) Genotypes of parent plants= Tt and tt
Explanation:
a) In the first cross, the tall and short progeny was obtained in almost a 3:1 ratio (78: 27). This means that both the parent plants were heterozygous for the gene of plant height. The genotype of each of the parents was Tt. A cross between Tt and Tt gives following progeny ratio=
Tt x Tt = 3 tall (1/2 TT and 1/4 Tt) : 1 short (1/4 tt)
b) In the second cross, tall and short progeny was obtained in almost a 1: 1 ratio (121: 118). This means that one parent plant was homozygous recessive (tt) and the other was heterozygous dominant (Tt).
Tt x tt = 1 tall: 1 short.
Answer:
<em><u>initiating transcription</u></em> is the main function of the tata-binding protein.
We know, 1 g = 1000 mg
so, 250 g = 250,000 mg
Also, 330 g = 330,000 mg
So, Difference = 330,000 - 250,000 = 80000
In short, Your Answer would be 80,000
Hope this helps!
Answer:
13% cytosine
37% thymine
Explanation:
Chargaff's rule states that the DNA always has a 1:1 ratio of purine bases (the cytosine and thymine to pyrimidine bases (guanine and adenine).
If there is 13% guanine, then there must also be 13% of cytosine (since G pairs with C)
The total of guanines and cytosines is 26%, meaning the total of A + T is 100% - 26% = 74%. That means there are 74/2 = 37% of thymine.