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Alja [10]
1 year ago
8

What are meristematic tissues? Mention its different types, its location in plant body

Biology
1 answer:
Anna35 [415]1 year ago
3 0

Answer:

tissue in body

Explanation:

they are tissues in the body

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Select the correct locations in the images.
Arlecino [84]

Homozygous individuals' genotype is composed of the same type of alleles. In this example, the offspring with homozygous alleles for the smooth pod trait are SS.

<h3>What is homozygous genotype?</h3>

The term homozygosis is used to refer to the genotype of individuals that carry the same type of alleles.

Let us remember that alleles are the alternative forms in which a gene can be expressed.

To understand the concept, let us think about a diallelic gene, which is a gene that has two types of alleles.

  • Dominant allele → let us represent it with an A
  • Recessive allele → let us represent it with an a

Homozygous individuals will have two alleles of the same type

  • AA → homozygous dominant because it carries the dominant alleles
  • aa → homozygous recessive because it carries the recessive alleles

Heterozygous individuals are those that carry two types of alleles, dominant and recessive → Aa

In the exposed example,

  • the dominant allele → S → codes for smooth
  • the recessive allele → s → codes for constricted

Cross 1: Two homozygous individuals are crossed

Parentals)         SS                    x               ss              

Phenotype) smooth pods                   constricted pods

F1) The first generation is composed only of heterozygous inviduals → Ss

The whole generation has smooth pods because they carry the dominant allele which expresses the dominant phenotype.

Cross 2:  Two heterozygous individuals are crossed

Parentals)       Ss x Ss

Phenotype) smooth pods

F2) The second generation is composed of

  • 1/4 = 25% homozygous dominant indiviudals →<u> SS → smooth</u>
  • 1/2 = 50% heterozygous inviduals → Ss → smooth
  • 1/4 = 25% homozygous recessive indiviudals → ss → constricted

The offspring with homozygous alleles for the smooth pod trait are SS.

You can learn more about homozygous genotype at

brainly.com/question/1084870

brainly.com/question/14804681

brainly.com/question/22405088

#SPJ1  

4 0
2 years ago
Researchers placed males and females of two fish species together in aquarium tanks. One tank had natural light and the other ha
Cloud [144]

Answer: The phenotypic variation was more in play during the tests because of the presence of environmental factor (monochromatic light). The genotypic variation was a result which is evident in the viable and fertile hybrids

Explanation: Phenotypes are traits of living things which are visible to us. Examples of such traits are behaviours, colour, shape, size, e.t.c. Genotypes is the genetic blueprint of a living thing. It is the genetic code that forms the physical traits in an organism (phenotype). For example, the code that tells a lady to have red hair is the genotype while the resulting red hair in the lady is the phenotype.

Phenotypic variations simply put are different physical variables in phenotypes that exists in a given population. For example, we have people with different body weights, heights, eyecolour, hair and shape of head. Genotypic variation is the difference in genotypes between different species or individuals of the same species.

There are two known causes of phenotypic variations and they are genes or environmental factor. In the given data, the monochromatic (made of one colour) light induced phenotypic variations in the male species and led to indiscriminate mating which resulted in viable and fertile hybrids (genotypic variation).

8 0
2 years ago
1 ) HIV weakens the immune system by killing a. antibodies. c. helper T cells. b. B cells. d. killer T cells.
kondaur [170]
1.)<span>a. antibodies
 2.)</span><span>b. its mechanism is well understood</span>
5 0
3 years ago
Name 11 organ systems
andre [41]

Answer:

integumentary, muscular, skeletal, nervous, circulatory, lymphatic, respiratory, endocrine, urinary/excretory, reproductive and digestive

Explanation:

Been doing this for a while

3 0
3 years ago
HELP ASAP PLEASE IM BEGGING Select the correct answer from the list for brainliest
ozzi

Answer:

three fourths

Explanation:

three fourths

6 0
2 years ago
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