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Komok [63]
2 years ago
10

In eukaryotes, how can a single gene code for several different proteins?

Biology
1 answer:
NikAS [45]2 years ago
6 0

Answer:

Gene splicing is a post-transcriptional modification in which a single gene can code for multiple proteins. Gene Splicing is done in eukaryotes, prior to mRNA translation, by the differential inclusion or exclusion of regions of pre-mRNA. Gene splicing is an important source of protein diversity.

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If you made a Punnett square showing Gregor Mendel’s cross between true-breeding tall plants and true-breeding short plants, the
nekit [7.7K]

Answer:

C

Explanation:

Assume that allele A is the dominant allele that produces the dominant phenotype (tall) in plants that have at least one allele A, and allele a is the recessive allele that produces the recessive phenotype (short) in plants that have two alleles a.

In the parental generation, a true-breeding tall plant has the AA genotype (phenotype: tall), and a true-breeding short plant has the aa genotype (phenotype: short).

We have the Gregor Mendel's cross as in the image attached here.

All of the F1 generation (offspring plants) have the Aa heterozygous genotype, and therefore, they are all tall.

The answer is c (the offspring plants have a genotype that was different from that of both parents).

6 0
3 years ago
life cycles of sexually producing organisms involve the alternation of haploid and diploid stages true/false
kolbaska11 [484]

Answer:

True

Explanation:

<em>The life cycles of sexually producing organisms generally involve alternation between the haploid and diploid generations.</em>

<u>Sexual reproduction involves the fusion of gametes - fertilization. The gametes are haploid (n) and are usually formed by the reductional division (meiosis) of diploid (2n) sex cells. </u>

Haploid gametes represent the haploid stage of the life cycles of sexually reproducing organisms.  During fertilization, the male and female gametes fuse together to form a diploid zygote. The zygote then continues to divide equationally (mitosis) and differentiates to give rise to a baby and eventually to either male or female adult organism.

8 0
3 years ago
What does the pulmonary artery do?
tekilochka [14]
It carries deoxygenated blood from the right ventricle to the lungs
3 0
3 years ago
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ASAP Not all genes come in pairs! Your blood type is determined by how many different alleles?
maks197457 [2]

Two alleles determine your blood type, one which comes from mother and another from father.

7 0
2 years ago
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Do haploid or diploid cells contain DNA?
In-s [12.5K]

Answer:

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Explanation:

A diploid cell is a cell that contains two complete sets of chromosomes. This is double the haploid chromosome number. Each pair of chromosomes in a diploid cell is considered to be a homologous chromosome set.

7 0
2 years ago
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