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olga55 [171]
2 years ago
8

I need help with this

Biology
1 answer:
Valentin [98]2 years ago
6 0

Answer:

115.00 units of Volume ....

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In Drosophila, the bar mutant is characterized by eyes that are restricted to a narrow, vertical bar. When a bar female is mated
Lelechka [254]

Answer:

See the answer below

Explanation:

a) The mode of inheritance of the bar mutant is X-linked and dominant.

Assuming that barness is represented by the allele B.

Bar female = X^BX^B or X^BX^b

Wild type male = X^bY

Bar female x wild type male:

                 X^BX^B    x    X^bY

          X^BX^b   X^BY  X^BX^b    X^BY

All of the F1 flies are bar because a single B allele is required for the trait to be expressed.

Bar male x wildtype female

                            X^BY   x   X^bX^b

                 X^BX^b    X^BX^b   X^bY    X^bY

All the female offspring are barred while all the males are wildtype barred resulting in a 50/50 (857/905 is approximately 50/50) ratio of barred/wildtype offspring.

b) Genotypes of each of the cross above, including the parents and the F1 generations.

1.             X^BX^B    x    X^bY

          X^BX^b   X^BY  X^BX^b    X^BY

2.               X^BY   x   X^bX^b

           X^BX^b    X^BX^b   X^bY    X^bY

                 

4 0
3 years ago
- 7th Grade Work -
Nat2105 [25]

Explanation:

Human health ultimately depends upon ecosystem products and services (such as availability of fresh water, food and fuel sources) which are requisite for good human health and productive livelihoods. Significant direct human health impacts can occur if ecosystem services are no longer adequate to meet social needs.

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Answer:

Can i see the pic? So i can put the answer

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Which of the following is most likely to happen to a liquid substance when the temperature is increased?
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:When thermal energy is added to a substance, its temperature increases, which can change its state from solid to liquid (melting), liquid to gas (vaporization), or solid to gas (sublimation). ... When the pressure exerted on a substance increases, it can cause the substance to condense.

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