Answer:
a. p=0.725, q = 0.275: P=0.51, H=0.43, Q=0.06
Explanation:
Let state our given parameters from the question:
Frequencies of coat color genes at the C locus for population 1 are .85 for C
This implies that the Allelic frequency C for population p1 =0.85
Frequencies of coat color genes at the c locus for population 1 are .15 for c
This implies that the Allelic frequency c for population q1 = 0.15
Frequencies for Care .6 i.e p2= 0.6
Frequencies for care .4 i.e, let that be q2= 0.4
The table below shows a diagrammatic representation of the above expression:
Alllelic Frequency C c
Population 1 (p1) 0.85 (q1) 0.15
Population 2 (p2) 0.6 (q2) 0.4
Now, from above: let think of the table as a punnet square and then cross it together;
(p1) = 0.85 (q1) = 0.15
p2 = 0.6 p1p2 p2q1
= 0.6 × 0.85 = 0.15 × 0.6
= 0.51 (P) = 0.09 (H)
q2 = 0.4 p1q2 q1p2
= 0.85 × 0.4 = 0.4 × 0.15
=0.34 (H) = 0.06 (Q)
From the above table, the heterozygous are represented by (H)
∴ Frequency of heterozygous can be calculated as:
= 0.09 + 0.34
= 0.43
Thus, we can conclude that the progenyF1 genotypic frequencies are:
P= 0.51
H= 0.43
Q= 0.06
Now, let us calculate the allelic frequencies, p and q in F1
p = P + 1/2 × (H)
= 0.51 + (1/2 × 0.43)
= 0.51 + 0.215
= 0.725
q =Q + 1/2× (H)
= 0.06 + (1/2 × 0.43)
= 0.06 × 0.215
= 0.275
Hence, p=0.725, q = 0.275: P=0.51, H=0.43, Q=0.06 , This makes option a the correct answer.
Answer: b. the height of the plant.
In an experimental set up an independent variable is the one which can be manipulated or change to observe the effects of such changes or manipulation on dependent variable. For example, plant growth is a dependent variable because it is dependent on independent variables such as amount of sunlight available, amount of fertilizers and water provided.
In this experiment, it is to be determined that how the amount of water given to a plant affects its growth. Here, water is an independent variable which can be change in the experiment and the affect of change can be observed on plant growth which is a dependent variable. A height represents the growth of the plant therefore, height of the plant is the dependent variable.
Answer:
ASSASSIN BUG
-Meiosis I produces two gametes that have exactly the same genetic make up.
-Meiosis II creates four daughter cells that are genetically different from one another.
-After meiosis I, two daughter cells with haploid number of sister chromatids are produced.
-Four gametes with haploid number of chromosomes and single chromatids result after meiosis II.
Answer:
after meiosis I two daughter cells with haploid number of sister chromatids are produced.
the parent cell in meiosis I is diploid and has 2n chromosomes.
four gametes with haploid number of chromosomes and single chromatids result after meiosis II.
Explanation:
Answer:
Meiosis II creates four daughter cells that are genetically different from one another.
After meiosis I, two daughter cells with haploid number of sister chromatids are produced.
Four gametes with haploid number of chromosomes and single chromatids result after meiosis II.
Explanation:
allergies
antihistamines
allergens
B. allergies occur when people are exposed to substances that their bodies are sensitive to.
The immune system overreacts by producing an antibody called immunoglobulin E (IgE). These antibodies migrate to the cells, which release chemicals and cause an allergic reaction. This reaction usually causes symptoms in the nose, lungs, throat, sinuses, ears, lining of the stomach, or skin.
Allergies occur when the immune system reacts to foreign substances such as pollen, bee venom, animal scales, or foods that do not cause a reaction in most people. Your immune system produces a substance known as an antibody.
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They can have allergic reactions
B.B
C.C
D.D
Chloroplast is the site for photosynthesis in plants. Thus, option A is correct.
Chloroplasts are the cell organelles present in the plants. Chloroplasts are one such type of plastids.
Chloroplasts are green in colour. They contain a green coloured pigment called chlorophyll which traps the solar energy.
The solarenergy is converted into chemicalenergy by a process called photosynthesis. The organic molecules so produced are the energyrich compounds.
Chloroplasts are chiefly found in the mesophyll region of the leaves.
Chloroplast consists of grana and stroma regions. The grana contain disc shaped coin like structures called thylakoids. The matrix of chloroplasts constitutes stroma region.
Various enzymes, DNA, ribosomes etc are found within the chloroplasts. Hence, they are also referred as 'cellwithinthecell'.
Chloroplasts have unique feature of self-replication. Chloroplasts are similar in function to mitochondria in animal cells.
Therefore, chloroplasts are important plant structures for photosynthesis.
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In plants, photosynthesis takes place in chloroplasts. Option A is correct.
Plant, algae, and certain protist cells have membrane-bound organelles called chloroplasts.
So, They are in charge of the process known as photosynthesis, which turns light energy into chemical energy in the form of glucose in green plants and some other animals. Life on Earth is supported by this essential mechanism of energy conversion.
Therefore, In plants, photosynthesis takes place in chloroplasts.
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O B. Climate
O C. Precipitation
O D. Temperature
Answer:
The answer is B
Explanation:
Climate is the average weather conditions in a geographic area.