Answer:
1/4
Explanation:
Given that the F2 cross produces offspring according to the expected 9:3:3:1 ratio.
YyRr X YyRr:
Let us break the dihybrid cross into individual monohybrid crosses.
Yy X Yy :
Y y
Y YY Yy
y Yy yy
2/4 or 1/2 of the offspring are heterozygous for the trait.
Similarly, in Rr X Rr cross, 1/2 of the offspring are heterozygous for the trait.
Together, 1/2 * 1/2 = 1/4 of F2 plants are expected to be heterozygous for both traits.
Answer:
B
Explanation:
A soursop belongs to the fruit-bearing trees
Answer:
When you see stars inside the eye, you may be experiencing what's called an entoptic phenomenon. ... They're actually little clumps of vitreous gel floating inside your eye. Sometimes they can be caused by other conditions, including: tears or holes on the retina...
The primary causes of blurred vision are refractive errors — nearsightedness, farsightedness and astigmatism — or presbyopia. ... Cloudy vision usually is a symptom of specific conditions such as cataracts. Blurry vision and cloudy vision both can be symptoms of a serious eye problem, especially if they occur suddenly.
Contour intervals between contour lines
