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glyptictriton9575
14.03.2020 •
Biology
In pea plants, flower color is determined by gene P (allele P = purple; allele p = red). Pollen shape is determined by gene L (allele L = long pollen; allele l = round pollen).
A plant heterozygous for the dominant purple allele (P) and heterozygous for the dominant long pollen allele (L) was crossed with a plant that was recessive for both traits.
The phenotypes seen in the offspring are shown:
Purple, long 47
Red, round 47
Purple, round 3
Red, long 3
Answer Choices:
1) Genes P and L assort independently.
2) Genes P and L are close together on the same pair of homologous chromosomes.
3) Genes P and L are far apart on the same pair of homologous chromosomes.
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Ответ:
Explanation:
given
In pea plants, flower color is determined by different genes,
allel P= purple;
allele p= red;
allele L= long;
allele l= round
P is dominant on p and L is dominant on l.
Parents are as given;
PpLl crossed with ppll
F1 generation are;
PpLl, Ppll, ppLl and ppll,
as given Purple, long ( PpLl)= 47;
Red, round ( rrll )= 47;
Purle, round ( Ppll )=3;
Red, long ( ppLl)= 3
Purple, long and Red, round each are 47 in number, their genotype are same as parental genotype, so genes P and L are close together on the same pair of homologous chromosomes.
Ответ:
Required equation![\frac{1}{6.2}=\frac{15}{x}](/tpl/images/0253/8265/707e1.png)
The height of statue of liberty is 93 meters.
Step-by-step explanation:
Given : Howard has a scale model of the Statue of Liberty. The model is 15 inches tall. The scale of the model to the actual statue is 1 inch : 6.2 meters.
To find : Which equation can Howard use to determine x, the height in meters, of the Statue of Liberty?
Solution :
The model is 15 inches tall.
The scale of the model to the actual statue is 1 inch : 6.2 meters.
Let x be the height in meters of the Statue of Liberty.
According to question, required equation is
Cross multiply,
Therefore, the height of statue of liberty is 93 meters.