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MrRissso [65]
3 years ago
5

In order for a dam to work, ______ must be present.

Biology
1 answer:
VikaD [51]3 years ago
4 0
c . i looked it up l o l
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The solar system formed from the _____.
dusya [7]
B. Explosion of an Interstellar sun.
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3 years ago
Suppose Stephen breeds flowers and wants to optimize production of offspring with both short stems and white flowers, which are
Korvikt [17]

Answer:

From the whole progeny of 544 plants, 34 individuals are expected to have short stems and white flowers.

Explanation:

<u>Available data:</u>

  • short stems coded for by  recessive allele t
  • white flowers coded for by recessive allele p
  • T codes for tall stems
  • P codes for purple flowers
  • Cross between two heterozygous individuals
  • Total number of the progeny 544

In a dihybrid cross, it is expected to get a phenotypic ratio of 9:3:3:1

Cross:

Parentals)     TtPp     x     TtPp

Gametes)  TP  Tp  tP  tp

                  TP  Tp  tP  tp

Punnett square)

        TP        Tp        tP        tp

TP   TTPP    TTPp   TtPP   TtPp

Tp   TTPp    TTpp   TtPp   Ttpp

tP    TtPP      TtPp    ttPP     ttPp

tp    TtPp     Ttpp     ttPp     ttpp

F1)

  • 9/16 T-P-
  • 3/16 T-pp
  • 3/16 ttP-
  • 1/16 ttpp  

(<em>Note: The "-" symbol represents either a dominant allele or a recessive one</em>)

From these possible genotypes and phenotypes, we can get their corresponding amount of individuals

16 ---------- 544 individuals

9 ------------X = 306 individuals tall stems and purple flowers T-P-

3-------------X = 102 individuals with tall stems and white flowers T-pp

3------------ X = 102 individuals with short stems and purple flowers ttP-

1 ------------ X = 34 individuals with short stems and white flowers, ttpp

3 0
2 years ago
Consider the following statements. Which of these statements is the hypothesis?
gogolik [260]

This is the image with The answer.

I hope this helped

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What must the pea and lettuce plants take up through their roots to perfum photosynthesis
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Answer: The pea and lettuce plants are leguminous plants.

Explanation:

The pea and lettuce plants must take nitrogen from the soil which they get after the symbiotic association with the nitrogen fixing bacteria. Nitrate and ammonia are the two components of nitrogen that can be taken from the soil and used as a source of nitrogen. Nitrogen is required for the growth of plant and it is the important component of chlorophyll pigment. Chlorophyll pigment is necessary for the process of photosynthesis in which the chlorophyll pigment traps sunlight energy that is involved in the splitting of molecule of water into hydrogen and oxygen.

7 0
3 years ago
During cellular respiration the largest amount of ATP is generated in
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The electron transport chain of the cellular respiration process produces maximum ATP.

There are three parts of cellular respiration:

Glycolysis, which produces 2 ATP.
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