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nataly862011 [7]
3 years ago
13

Why is it beneficial to have genotypic and phenotypic variation within a species

Biology
1 answer:
jek_recluse [69]3 years ago
6 0

organisms with phenotypes that are beneficial for survival are more likely to reproduce and pass on their genetic information. Over lots and lots of generations, this progressively leads to changes in the species as a whole

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The ________ is the area of the brain where higher level thinking and self-regulation occur.
maria [59]
The Prefrontal Cortexis t<span>he area of the brain where higher-level thinking and self-regulation occur; the peak of overproduction takes place at about 1 year of age.</span>
8 0
3 years ago
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A botanist has acquired a group of sweet pea plants. All of the plants have yellow pea pods (the recessive trait), except for on
Julli [10]

Answer:

Cross the green-pod plant with a yellow-pod plant.

Explanation:

To determine the zygosity of a particular individual, the best way is to cross it with a phenotypically recessive individual.

Such a cross in which an individual with unknown zygosity possessing a dominant trait is crossed with an individual possessing a recessive trait is termed as a test cross.

Therefore, in the given situation the zygosity of the green pod needs to be determined and the green pod is a dominant character. Further, it is given that a yellow pod is a recessive trait, therefore a test cross can be performed between the green pod and yellow pod, and then the offsprings can be observed.

if the offsprings are all phenotypically dominant then the green pod is homozygous and if there are phenotypically recessive offspring also present then the green pod is heterozygous genotypically.

8 0
3 years ago
Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
alisha [4.7K]

Answer:

Translocation

Explanation:

Translocation is a chromosomal defect in which part of a chromosome breaks off and reattaches backward on the same chromosome.

Translocation can happen due to many reasons like:

A) Some of the changes that arise around the time of conception  or production of sperm or egg.

B) The inheritance of altered chromosome from father or mother.

Translocations can be divided into two forms:

  • Reciprocal translocation
  • Robertsonian translocation.

In reciprocal translocations,  fragments of two chromosomes break off from two different places, break and swap each other's segments. While in  Robertsonian translocation one chromosome attached with other.

Hope it help!

5 0
3 years ago
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Tasya [4]

Answer:

4

Explanation:

2+2=4. It is a very complex equation. Hope this helps!

-Aslina

7 0
3 years ago
Hydrochloric acid from the stomach is neutralized in the small intestine by
vredina [299]

Answer:

sodium bicarbonate

Explanation:

3 0
3 years ago
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