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Molodets [167]
3 years ago
6

Both parents can roll their tongue, yet their child cannot. What must the parent's

Biology
1 answer:
jeka943 years ago
3 0
The answer is C Heterozygous

Explanation: the inability to roll your tongue is a recessive trait. Since both parents are heterozygous, they carry that recessive gene, so their child will have a 25% chance of having that recessive trait; and therefore, unable to roll their tongue.
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Why does the angle at which the Sun’s rays hit the Earth change during the year, and how does this cause the seasons to differ i
kirill115 [55]

Explanation:

This is due to the tilted earth's axis. During the summer, the sun's beams hit the Earth at a steep angle. The light does not spread out so a lot, subsequently expanding the measure of energy hitting any given spot. Likewise, the long daylight hours permit the Earth plenty of time to reach warm temperatures.

8 0
3 years ago
What items are used to identify the genetic makeup of an unknown organism?
OleMash [197]

Answer:

Polymerase chain reaction machine

Primers

Petri dishes

Test tubes

Pipettes

DNA Polymerase

Free nucleotides

The organism to be identified

Explanation:

To identify the genetic makeup of an unknown organism, the nucleotide sequences fond in the Deoxyribonucleotide (DNA) of a known organism is matched to the DNA of some known organisms. If there is a certain degree of sameness in most of the matched parts, then the unknown organism can be said to be related to the known organism. This is a comparative study.

To carry out this identification, items used include; primers, the PCR machine, test tubes, DNA polymerase, free nucleotides, etc.

6 0
3 years ago
Which two body systems interact to expel the waste product carbon dioxide?
Jet001 [13]

The correct answers on Plato are

excretory system

circulatory system


8 0
3 years ago
BRAINLIST + 100 POINTS IF ANSWERED CORRECTLY (( not b and d ))
amid [387]

Answer:

The answer is C

Explanation:

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8 0
2 years ago
After duplication, at what point does a cell become two cells with identical DNA?
professor190 [17]
Cytokinesis is the point at which a cell with duplicated genetic material becomes two daughter cells with identical DNA.
5 0
3 years ago
Read 2 more answers
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