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My name is Ann [436]
3 years ago
6

Mark’s grandfather was an olympic gold medalist in swimming. what will determine if mark develops into an olympic swimmer

Biology
1 answer:
professor190 [17]3 years ago
7 0
Genetics has an important part to play if Mark has a chance of becoming an Olympic swimmer. It would be beneficial if he inherited traits from his grandfather that are essential to develop into a good swimmer. These traits include large hands and feet, wide shoulders, slim hips and a high arm span to height ratio. With these traits and dedicated training Mark would have a chance of making it to the Olympics.<span />
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two parents with normal phenotypes have a daughter who genetically inherited a disorder. Explain how this is possible.
sukhopar [10]

Answer:

              Phenotype is physical appearance of the individual while genotype is the genetic makeup of the individual.

Explanation:

                      Two parents having normal phenotype but effected individual is due to the parents may be Carrier for the particular deseis and the gene responsible for the desies may be in recessive form and the parents are not effected.  The gene is not present in dominant form and can not show its effect but the parents are not effected and the daughter may be affected by certain desiese.

8 0
3 years ago
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Fossils show that ancestors of the giraffe had shorter necks than the modern giraffe. The evolution of the modern giraffe may be
MaRussiya [10]

Answer:

B. Directional selection

Explanation:

When natural selection starts to choose one phenotypes that is an extreme (as in, a really small neck or a really long neck), this is an example of <u>directional selection.</u> It makes sense for giraffes to have evolved this way, because the longer the neck, the more ably they can eat food from high branches. The more food they could get, the more chance of reproduction, the more "evolutionarily fit" they are.

Stabilizing selection is when national selection picks average phenotypes (like a medium-sized neck). Disruptive selection is when the extremes are both picked (like all the medium-sized neck giraffes die, and two different species start to emerge). Sexual selection is picking a mate based on traits. Clearly, those answers don't work here.

8 0
3 years ago
Do predators really kill only the old and sick prey? Please give me a answer
Svetllana [295]
No, They find the alone one because they are easier to catch when away from the tribe. They are easier to kill when they are old and sick, or weak.
4 0
3 years ago
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Which process takes CO2 out of the atmosphere
mihalych1998 [28]

Answer:

Photosynthesis removes CO2 from the atmosphere and replaces it with oxygen.

Explanation:

Photosynthesis removes CO2 from the atmosphere and replaces it with oxygen. By respiration, O2 is removed from the atmosphere and replaced with CO2. However, these processes are not balanced. Some organic matter is not oxidized. (I'm very sorry if I'm wrong but I believe it's that)

6 0
2 years ago
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Que caracteristicas comparten todas las celulas eucariotas ?
Olenka [21]

Explanation:

Las células eucariotas son muy diversas en forma, forma y función. Sin embargo, algunas características internas y externas son comunes a todos. Estos incluyen una membrana plasmática (celular), un núcleo, mitocondrias, orgánulos unidos a la membrana interna y un citoesqueleto.

4 0
3 years ago
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