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:
All the wavelengths can not reach the earth's surface always.
Explanation:
Most of the time the atmosphere absorbs the Infrared radiation from the space. For this reason, infrared radiation can not reach the earth always. It is basically absorbed by the Co2 and water vapor present in the atmosphere.
You can further understand a text if you ask questions.
Answer:
B
Explanation:
According to my knowledge the nervous system receives and transport feelings from different parts of our body to the brain and the opposite.
<em>Hope</em><em> </em><em>it's</em><em> </em><em>helpful</em><em>.</em><em>.</em><em>.</em><em>.</em><em> </em>
3) decrease
Without the green house effect, earth would be like a solid ball of ice and rock.
Life as we know it wouldn't exist without greenhouse gases.
The temperature would drop below 0° Fahrenheit!
