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Vesna [10]
3 years ago
14

In pea plants, the trait for tall stems is dominant over the trait for short stems. if two heterozygous tall plants are crossed,

what percentage of the offspring would be expected to have the same phenotype as the parents?

Biology
1 answer:
Makovka662 [10]3 years ago
3 0

Hope this helps you frnd..

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Some members of Daphnia, a water flea, have a genetic mutation that causes them to prefer warmer environments. These members rep
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Answer:

A. Adaptation

Explanation:

Adaptation refers to the evolutionary process in which organisms undergo mutation or genetic change over many generations, which makes the organisms become better suited to multiply and survive in its habitat. The genetic mutation of Daphnia which makes them develop a trait that makes subsequent generations to prefer warmer environments is an example of adaptation of the organism to his environment.

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In garden peas, one pair of alleles controls the height of the plant, and a second pair of alleles controls flower color. The al
Lerok [7]

Answer:

The parent's genotypes are:

Ddpp - tall, white parent

ddPp - dwarf, purple parent.

Explanation:

This question involves two different genes coding for height and flower color in pea plants. The alleles for tallness (D) and purple color (P) are dominant over the alleles for dwarfness (d) and white color (p) respectively.

According to this question, a tall plant with white flowers is crossed with a dwarf plant with purple flowers to produce the following proportion of offsprings: 1/4 tall purple, 1/4 tall white, 1/4 dwarf purple, and 1/4 dwarf white.

Since some of the offsprings contain recessive alleles for both or either genes, the dominant traits of the parent is controlled by an heterozygous genotype. This means that the tall plant with white flowers has a genotype: Ddpp while the dwarf plant with purple flowers has the genotype: ddPp. In a cross between Ddpp × ddPp, 1/4 of each combination of alleles is produced in the offsprings (see punnet square in the attachment).

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7. What part of the cell does 9 represent?
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Answer:

B- Centrosome

Explanation:

I think this is right but not 100% sure. So sorry if its wrong

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Which characteristic is common to both unicellular and multicellular algae?
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What is common in both unicellular and multicellular algae presence of chlorophyll for carrying out the process of photosynthesis. 

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