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Nadya [2.5K]
3 years ago
11

A red bird and a blue bird mate, and their offspring are purple in color. What type of inheritance is this? A. Codominance B. In

complete dominance C. Polygenic inheritance D. Simple dominant
Biology
2 answers:
kherson [118]3 years ago
5 0

Incomplete dominance is the answer

Annette [7]3 years ago
3 0

Answer:

B. Incomplete dominance is the correct answer.

Explanation:

This inheritance is termed as Incomplete Dominance because when a red bird and bluebird mate the result is a purple offspring as neither of the two colors was expressed.

Incomplete dominance is a feature in which offspring are formed are intermediate because allele is not fully expressed over the opposite paired allele and the offspring produced is the combination of both of their parent's character.

Thus Incomplete dominance is a correct answer.

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Recently, genes have been indentified in angiosperms that are important in preventing pollen from germinating or growing into th
Marizza181 [45]

Answer:

D. Sterility Locus

Explanation:

Angiosperms have several mechanisms to prevent self-pollination due to the advantage of cross-pollination. One of such mechanisms is self-incompatibility genes present on the sterility locus.

These genes determine the germination of the pollen on the stigma. If both the pollen and stigma carry the same allele of the gene present at the sterility locus, the germination of pollen is prevented.  

The sterility locus has multiple alleles and the presence of the same alleles at the same locus in both pollen and stigma prevents the pollen germination.

For example, pollen from S1S2 individuals can not germinate on the stigma with the S1S3 genotype. Here, the pollen does not obtain water as required for germination from the stigma and are unable to germinate.  

5 0
3 years ago
Which of the following best explains why most chemical reactions proceed more quickly when the concentrations of reactants are i
dem82 [27]
At higher concentrations, it catalyzes the collisions. think of it like a glow-stick. the smaller ones aren't a bright because less chemicals are inside the tube, but large glow-sticks are brighter, and has more chemicals contained in the tube. the correct answer is 3, the catalyst  answer. <span>At higher concentrations, product molecules are able to catalyze the reaction.
 hope this helped. good luck!
</span>
7 0
3 years ago
Which of the following is a demonstration of the polarity of water?
ozzi

Answer:

All of the above

Explanation:

In letter A, B, and C; in different physical situation the molecule of water behave and put in charge with its peculiar polarity. Remember that is part its quite simple and molecular structure.

Water is "dipolar", because there is an uneven distribution of electron density. Water has a partial negative charge (Delta-) near the oxygen atom due the unshared pairs of electrons, and partial positive charges (Delta-) near the hydrogen atoms.

8 0
3 years ago
Explain how visible inherited traits are diffrent amongst offspring of the same parent.
bonufazy [111]

Answer:

Although an individual gene may code for a specific physical trait, that gene can exist in different forms, or alleles. ... In other cases, each parent provides a different allele of a given gene, and the offspring is referred to as heterozygous ("hetero" meaning "different") for that allele.

5 0
2 years ago
b. In 1979, the estimated elephant population was 1.3 million and in 2007 it was 640,000. By approximately what percentage did t
saveliy_v [14]

Answer:

The initial amount, 1.3 million = 1,300,000 is the 100%.

now, 640,000 is a given percentage (lower than 100%) of that.

How we can find it?

suppose that 640,000 represents an x%.

Then we have that the quotient between the actual quantities and the percentages must be the same

(640,000/1,300,000) = x%/100%

x% = (640,000/1,300,000)*100% = 49.23%

Then the percentage declined is:

100% - 49.23% = 50.77%

The other question can not be answered with the given information.

4 0
3 years ago
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