<span>would be the DNA match. In RNA, the Ts are replaced by Us, so the RNA match .</span>
Our sun is a type G main-sequence star.
The temperature of these starts range between 5,300 and 6,000 kelvins and the surface ranges from 0.85 to 1.15 M☉ (solar masses).
Hope it helped,
Happy homework/ study/ exam!
Answer:
D. They both decrease genetic variation.
Explanation:
In natural selection, variation happens to produce more fit organisms. The natural selection is a different type such as stabilizing selection, directional selection, and disruptive selection. In both cases, variation occurs but the variation rate is different. Therefore, the common thing between stabilizing selection and disruptive selection is variation. The variation rate is slow in stabilizing selection. Hence in this selection less phenotype characters are seen. In disruptive selection, variation is random and extreme. Thus more phenotype individuals are formed due to disruptive selection.
Answer:
The results can be explained if the mutation for bag wings is sex-linked, dominant, and lethal in males.
Explanation:
When a trait is differently expressed in males and females, we must suspect that it's sex-linked.
If we consider the mutation for bag wings as sex-linked and dominant (B), and the wild-type allele (B+) is recessive, then the<u> expected offspring</u> resulting from the cross between a bag-winged female XᴮXᴮ⁺ (heterozygous) and a WT male Xᴮ⁺Y would be:
- 1/4 XᴮXᴮ⁺ bag-winged female
- 1/4 Xᴮ⁺Xᴮ⁺ wild-type female
- 1/4 Xᴮ⁺Y wild-type male
- <u><em>1/4 XᴮY bag winged male</em></u>
But the bag-winged male doesn't appear in the progeny, and the observed proportions of the other phenotypes are 1/3 each. This suggests that the mutation is lethal in males, and maybe in homozygosis in females as well.