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d1i1m1o1n [39]
3 years ago
8

Recently it has been proposed that three domains be added to our hierarchy

Biology
2 answers:
Anika [276]3 years ago
6 0

Answer:

C. Above kingdom level

Explanation:

Daniel [21]3 years ago
4 0

Answer: C. Above the kingdom level

Explanation:

Hierarchical classification can be defined as the system of grouping living beings according to the level or orders. Domain secures the highest taxonomic rank in the biological hierarchical classification system. This lies above the Kingdom level. The life forms are classified into three domains, which are Archea, Eukarya and Bacteria.

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To assess Mendel’s law of segregation using tomatoes, a true-breeding tall variety (SS) is crossed with a true-breeding short va
lapo4ka [179]

Answer:

0.949367 ≈ 0.95.

Explanation:

The chi square analysis can be done by the formula as follows:

Chi square = (O-E)²/E

Here, O is observed value and E is expected value.

The tall trait follows the Mendel's law, this means the cross between F1 results in the formation of progeny with ratio 3( tall) : 1 (short).

The observed values for set I is  63 tall, 16 short.

The expected value for tall plant =  \frac{3}{4}\times79 = 59.25 .

The expected value for short plant = \frac{1}{4}\times79 = 19.75.

Put these value in the formula for chi square analysis:

For tall plants = ( 63 - 59.25)²/ 59.25= 0.237.

For short plants = (16 - 19.75)²/ 19.75 = 0.712

Total value for set I = 0.237 + 0.712 = 0.95.

Thus, the answer is 0.95.

6 0
3 years ago
Which image shows karst topography?
Serhud [2]

Answer:

B

Explanation:

a sinkhole is the answer. I got it on edge 2020

8 0
3 years ago
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Besides being very painful, a blockage in a ureter due to kidney stones or external pressure is serious because it leads to an i
Vanyuwa [196]
Your body can over work yourself and than give out

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3 years ago
The fertilization of ovules from Plant Q by pollen from Plant R results in the production of seeds. What percent of the genes in
blagie [28]

Answer:

The correct answer is - option A. 0%

Explanation:

The zygote formation or fertilization in flowering plants occurs by the fusion of pollen of one plant with the ovum of another plant of the same species normally. This process includes the exchange of an equal amount of the genetic contribution from both plants.

The egg cell of the mother is responsible for the mitochondria and chloroplast of the progeny so the percentage of chloroplast genes provided via Plant R is 0% as ovum and egg cell comes from only plant Q.

percentage of chloroplast gene inherited from R plant is a)0%

3 0
2 years ago
PLEASE ANSWER ASAP!! WILL GIVE 15 POINTS!! How do genes get “turned on” and “turned off”?
hammer [34]

Answer:

Explanation:

A gene can be turned on or off by environmental factors or from other cells that activate proteins known as transcription factors.

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3 years ago
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