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3 years ago

QUESTION 1

Biology

2 answers:

alekssr [168]3 years ago

7 0

Answer:

keloid would be it ,,,,

Yakvenalex [24]3 years ago

6 0

Keloid................,,......

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Pls help I’m struggling

Dominik [7]

So, enzymes work to carry out functions like transforming food or chemical elements into other substances needed. in this one, if a second enzyme they will work faster and the activity increases. it speeds up the reaction

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3 years ago

The thermosphere is the layer within the atmosphere where

swat32

It’s above the mesosphere, but below the exosphere. It extends roughly 90 km to 500/1,000 km above. There’s a lot of solar activity that influences temperature there.

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4 years ago

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 $X^bX^b$

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

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3 years ago

Can anyone help please?

Virty [35]

Answer:

your have answer is cut make it proper frist

6 0

3 years ago

Identify one additional factor besides the plant seedlings and containers that should be held constant in this experiment.

Mila [183]

Answer:

83hrhiddtifrd of r

Explanation:

hsejrndbhsuia b rb

6 0

3 years ago