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REY [17]
2 years ago
7

Which of these is one of the conditions for Hardy-Weinberg equilibrium?

Biology
1 answer:
Arisa [49]2 years ago
8 0

Answer:

D. the population must be indefinitely large

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A strain of a cereal grain can be either dark tan, medium-dark tan, medium tan, light tan, or cream colored. When a dark tan and
denis-greek [22]

Answer:

The correct answer is - 2 genes.

Explanation:

The number of genes involved in the coloration of the strain of cereal grain, could be either dark tan, medium-dark tan, medium tan, light tan, or cream-colored if all F1 are medium tan when crossed a dark tan crossed with cream-colored, can be calculated as follow:

suppose there are only two gene - TT dominant over tt and CC dominant over cc

then the cross would be - RRCC - rrcc

gametes - RC and rc

Cross F1: RrCc

Self cross in F2:

offspring by Punnet cross are:

RRCC  -->1/16  

RRCc,  RrCC .---> 4/16

RrCc, RRcc, rrCC--->6/16

rrCc, Rrcc--->4/16

rrcc ----> 1/16

thus, the correct answer is 2 genes

6 0
3 years ago
Before replication can take place.(1) A. DNA polymerases must add complementary nucleotides to DNA. B. the two strands of DNA mu
andriy [413]

Answer:

The correct answer is B. the two strands of DNA must separate.

Explanation:

DNA is a double-stranded structure. The two strands are joined together by the formation of hydrogen bonds between complementary nucleotides. So before the replication takes place these two strands must be separated.

The separation of DNA strand is accomplished by the action of a helicase enzyme which breaks the hydrogen bond between complementary nucleotides and separated the two DNA strands.  

After separation, the DNA polymerase binds to separated DNA and replicating the DNA. So the right answer is B.

4 0
3 years ago
Please no links or files or I will report
sattari [20]

Answer:

C

Explanation:

The moon revovles around the sun. While the moon goes around the earth, some half of the moon will be lighted up by the sun. The other side will always be in darkness. Hope this helps :)

6 0
3 years ago
Read 2 more answers
The 10% rule in the food chain means
scoray [572]
The 10% rule means that when energy is passed in an ecosystem from one trophic level to the next, only 10% of the energy will be passed on.
3 0
3 years ago
Please answer all questions and explain if you can. thank you.
lawyer [7]
1 a............................
7 0
3 years ago
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