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vlada-n [284]
3 years ago
9

Describe selective breeding in your own words

Biology
1 answer:
jeyben [28]3 years ago
3 0

Answer:

This is a type of breeding in which two organism having some special features are choosne to breed with each other to make a single organise which has both features accumulated

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BaLLatris [955]

Answer:

adrenal glands

Explanation:

they produce adrenaline

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2 years ago
Why is it important to prevent thermometer from resting no the bottom of the test tube?
Mariana [72]

Answer:

It's important to not touch the sides or the bottom of the test tube with the thermometer because touching it to the sides or bottom of the test tube fractures the glass and does not allow for correct temperature measurements.

8 0
3 years ago
Which is a correct interpretation of this cladogram?
Firlakuza [10]
B. Salmon envolved before kangaroos
5 0
3 years ago
Question 6 You cross a true-breeding red-flowered snapdragon with a true-breeding white-flowered one. All of the FI are pink. Wh
muminat

Answer:

E (Red shows incomplete dominance over white)

Explanation:

This portrays a monohybrid cross involving a single gene coding for flower colour in snapdragon plants. According to the question, a purebreeding red flowered (homozygous) plant is crossed with a purebreeding white flowered (homozygous) plant to produce an all pink flowered offspring. This phenomenon is called INCOMPLETE DOMINANCE.

Mendel, in his experiments, discovered that an allele can mask the expression of another in a heterozygous state. He called the allele that masks DOMINANT allele while the allele that is masked RECESSIVE allele. However, exceptions like INCOMPLETE DOMINANCE, has occurred in the sense that an allele does not completely mask the expression of its allelic pair, instead an intermediate phenotype, which is a combination/blending of both parental phenotypes is produced.

In this case, the red flowered snapdragon (RR) does not completely cover up the expression of white flower (rr), hence a hybrid/heterozygous offspring is produced that combines the phenotypic characteristics of both parents to form an intermediate flower colour (pink). Hence, it can be said that Red flower is incompletely dominant over white flower or no allele/trait is dominant or recessive to another.

3 0
3 years ago
Which best matches objects that a scientist would include on a list describing a forest ecosystem?
Jobisdone [24]

Answer:

a) different types of animals and plants and the forest soil

Explanation:

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. Therefore, a scientist would need to include biodiversity when describing a forest's ecosytem.

6 0
3 years ago
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