3 years ago

In this food pyramid, about __________ of the available energy is transferred to each level.

Biology

2 answers:

TiliK225 [7]3 years ago

5 0

About 10 percent is transfered.

ziro4ka [17]3 years ago

4 0

10% is transferred to each level.

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In the datura plant, purple flower color is controlled by a dominant allele P. White flowers are found in plants homozygous for

crimeas [40]

Answer:

Part A: Pp

Part B: 1/3

Explanation:

A: The purple flower color is regulated by dominant allele "P". Since self-fertilization of the purple-flowered plant with unknown genotype gives both purple and white-flowered progeny in almost 3:1 ratio, the parent plant was heterozygous dominant for the trait. Its genotype is "Pp".

Segregation of recessive and dominant alleles during gamete formation leads to the production of two types of gametes with either "P" or "p" alleles. The random fusion of these gametes produces progeny in following phenotype ratio= 3 purple: 1 white.

B. Out of the 3 purple-flowered progeny, 1 is homozygous dominant (PP). Therefore, the probability of the purple-flowered progeny to breed true is 1/3.