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Vesnalui [34]
3 years ago
14

A man with type A blood marries a woman with type B. Their offspring all have type AB blood. The pattern of

Biology
2 answers:
Anna11 [10]3 years ago
6 0

Answer: Codominance

Explanation:

Since neither type A blood nor type B is dominant over the other (i.e both are codominant), the offspring of both parents will be with type AB blood.

Thus, codominance explains how the two alleles are present in the Heterozygous individual IAIB, showing they are both fully expressed.

Masteriza [31]3 years ago
5 0

Answer:

The answer is codominance.

Explanation:

Codominance is where both parents alleles are expressed because none of them can be "masked". This also goes for red and white flowers making a pink flower. Hope this helps!

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Epigenetics refers to a special kind of hereditary mechanism. Epigenetic changes do not change the DNA nucleotide sequence, yet
Greeley [361]

<u>Answer:</u>

The type of change that was responsible was “histone acetylation or DNA methylation”.

<u>Explanation:</u>

  • Histone acetylation is the process that involves the epigenetic adjustments that functions in the transcription process while regulating DNA.
  • Histone acetylation or DNA methylation is the major component of the gene regulation while passing from one generation to another.
  • The Acetyl groups are hooked up to lysine’s in histone tails so their charges play a vital role to avoid the histone tail to bind with the other molecules.
8 0
3 years ago
What does a lagoon look like?
Firlakuza [10]

Answer:

If you have been to Venice (Italy), you have seen lagoons. In fact, the world lagoon is derived from a latin word <em><u>laguna</u></em>.

Principally, a lagoon is shallow water body which has been separated from the main water body due to sandbars, barrier islands, coral reefs,etc. However, sometimes, they includes other terms too such as bays, estuaries, sounds, or even lakes. They are of two types, i.e. Coastal Lagoons and Atoll Lagoons. In the figure attached, you can see how a lagoon looks like.

3 0
3 years ago
How is testing for brca1 or brca2 different from testing for a gene such as the tay-sachs gene? explain your answer in your labo
natka813 [3]

The BRCA 1 and BRCA 2 genes are two genes that are sought in the genetic study of an individual in order to seek a predisposition to breast cancer (in women and also in men).

The genes of Tay-sachs, are researched in order to diagnose or eliminate Tay-sachs disease.

The first difference lies in the goal of the research: for the BRCA (screening) genes, a predisposition is sought and for the Tay-sachs genes, it is sought to confirm the disease.

The second lies in the technique used:

The first step in the study of these genes is to isolate and replicate them. The best technique for this is the PCR (polymerase chain reaction). By using primers we can amplify the gene we want. So the primers used in BRCA and Tay-Sachs research are necessarily different.

4 0
3 years ago
Why do plants need water, light, and carbon dioxide?
zheka24 [161]

AS PLANTS MAKE FOOD IN PRESENCE OF WATER,CO2,LIGHT AS WELL AS CHLOROPHYLL.

C6H12O6+O2=>CO2+H2O (LIGHT AND CHLOROPHYLL)

ALSO THEY HELP IN THEIR SURVIVAL.

Using energy from light, plants chemically combine carbon dioxide and water to create glucose and oxygen. This process is called photosynthesis. Plants also absorb oxygen gas from the air. Like animals, plants needs oxygen to respire

8 0
3 years ago
How can water , a renewable resource become a non renewable resource
Mademuasel [1]

Answer: Water can become a non-renewable resource if we contaminate all our rivers.

Explanation: For example, as groundwater is usually removed from an aquifer at a rate much greater than its very slow natural recharge, it is a considered non-renewable resource. Removal of water from the pore spaces in aquifers may cause permanent compaction (subsidence) that cannot be renewed.

6 0
3 years ago
Read 2 more answers
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