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Ghella [55]
3 years ago
6

Arrange the following sequence of events in the reproduction of flowering plants:

Biology
1 answer:
Varvara68 [4.7K]3 years ago
5 0

Answer:

Pollination →Fertilisation → seed formation → dispersal of seed → Germination

Explanation:

This is the correct sequence of events in the reproduction of flowering plants.

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On the planet Kermit, in the Muppet population, there are two autosomal loci of interest. The first locus has alleles A and a, a
astra-53 [7]

Answer:

The values that most closely represent the expected number of Janice blonde-haired offspring is 252 individuals, option C.

Explanation:

<u>Available data</u>:

  • Two diallelic genes acting in a recessive epistatic manner to express hair color
  • Allele A is dominant over the allele a
  • Allele B is dominant over the allele b
  • A_B_ Cookie monster blue
  • aaB_ Elmo red
  • __bb Janice blonde

When talking about epistasis, we are referring to an interruption. These are interactions between genes located in different loci in the same chromosome. An epistatic gene can alter, influence, or suppress the expression of a hypostatic gene. When the epistatic gene is recessive, the interaction is known as <u>recessive epistasis</u>.  

Observing the altered phenotype proportions of the offspring can reveal which interaction is operating in the trait determination.  

In recessive epistasis, the proportion is 9:3:4.

Cross: Between two doubly-heterozygous

Parentals) AaBb    x    AaBb

Phenotype) Cookie-monster blue-haired individuals

Gametes)  AB, Ab, aB, ab

                 AB, Ab, aB, ab

Punnett square)     AB       Ab        aB         ab

                 AB      AABB    AABb  AaBB    AaBB

                 Ab      AABb    AAbb   AaBb    Aabb

                  aB     AaBB     AaBb   aaBB    aaBb

                  ab     AaBb      Aabb   aaBb    aabb

F1) 1000 individuals

     9/16 individuals are expected to be Cookie-monster blue-haired, A-B-

     3/16 individuals are expected to be Elmo Red, aaB-

     4/16 individuals are expected to be Janice blond, A-bb + aabb

16 ------------------------------------------- 1000 individuals

4 Janice blond individuals ---------- X = 250 individuals

So, 250 individuals are expected to be Janice blonde. The observed number might vary a little bit from this value.  The values that most closely represent the expected number of Janice blonde-haired offspring is c = 252 individuals

5 0
3 years ago
Phineas has a tomato plant. The plant adds water to the atmosphere through
Katena32 [7]
The definition of transpiration is "<em>the process by which moisture(water) is given off through plant leaves as water vapor.</em>"

The plant's leaves give off water in the form of water vapor, so the answer is transpiration.
4 0
3 years ago
Read 2 more answers
Phytoplankton are microscopic marine plants that perform photosynthesis. They are responsible for removing the majority of carbo
MAVERICK [17]

The correct answer is - oxygen.

The phytoplankton and the microscopic marine plants are using the process of photosynthesis in order to produce energy for them. In order for this process to take place, two things are needed, sunlight and carbon dioxide. The consumed carbon dioxide is not totally used, but there's some waste from it. The waste is actually the oxygen. The oxygen is released and it gets back into the atmosphere. This gas is crucial for the survival of the living organisms on the planet, especially the animals, so it is extremely import that the environment of the phytoplankton and the microscopic marine plants is not destroyed, as they are the ones that release the biggest amount of oxygen into the atmosphere.

6 0
2 years ago
Are replicated so there are <br> sets in the cell.
Andreyy89

Answer:

meisosis I don't rember how to spell it lol. But I believe that it is the answer

Explanation:

5 0
2 years ago
A client who is 26-weeks pregnant presents to the emergency department due to premature rupture of membranes. what is a cause of
Firlakuza [10]

The answer to what findings are Preterm Labor assessment findings. When there is an Increase, change, or blood in vaginal discharge, change in cervical dilation and Regular uterine contractions with a frequency of every 10 min or greater, lasting 1 hr. or longer also there is premature rupture of membranes. 

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3 years ago
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