Answer:
Traits like white eye color in fruit flies are linked to the X chromosome.
Why:
Thomas Hunt Morgan was a scientist, he worked with Drosohilla and studied the sex chromosomes in fruit flies. In the course of his study he discovered that the white eye colour is recessive compared to the dominant red eye colour in the flies and that the white eye color gene is linked to the X sex chromosomes.
I think the correct answer would be option 1. It is the marine life in the Arctic circle that is most affected by the extinction. It was estimated that about 40% of the endangered animals of this part are in extinction. This is because of climate change and the destruction of their homes. Also, scientists say that the temperature change of this area is increasing rapidly as compared to the rest of the world which means the animals would have to adapt to these conditions and while some can adapt easily, there are those that cannot and would die to extinction.
The correct answer is A.
Personality disorders are a wide category of mental disorders which include maladaptive and odd patterns of behaviour, inner thinking and functioning. Personality disorders are divided into three clusters: cluster A which includes the odd and eccentric behaviours, cluster B which refers to the dramatic behaviours and cluster C which includes the anxious and fearful disorders. A patient with excessive fear of abandonment exhibits an impaired perception and understanding of other peoples intentions.