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ZanzabumX [31]
3 years ago
5

10 points

Biology
2 answers:
lisov135 [29]3 years ago
7 0

Answer:

the answer is d because plants give oxygen and with out plats only carbon dioxide would be in the air

sesenic [268]3 years ago
3 0
The answer is D. the decrease in the numbers of forest
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If an image is too dark under high power what should you use to increase the light intensity
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Scientists have found that extracellular matrix components may induce specific gene expression in embryonic tissues such as the
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3 years ago
Alleles of the gene that determines seed coat patterns in lentils can be organized in dominance series: marbled > spotted = d
SSSSS [86.1K]

Answer:

a.The phenotypic proportions obtained after having the genotypes are 50% marbled seeds, 25% spotted and dotted seeds since they are codominant, 25% spotted seeds.

b. Taking into account the F1 genotypes in the previous point, the expected phenotypes for the first crossing are 100% marbled seeds and for the second crossing 100% dotted seeds.

Explanation:

Let's suppose:

Marbled allele: M

Spotted allele: S

Dotted allele: D

Allele for Clear: C

a. Because both crosses were between homozygous parents, the entire F1 genotype is the same.

For the first crossing the descendants have the MS genotype, and for the second crossing the descendants have the DC genotype. It is enough to make a Punnett square to obtain the different combinations of genotypes between the crossing of MS and DC.

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3 years ago
You cross two red griffins with blue eyes and produce offspring that are: red with blue eyes, red with green eyes, white with bl
sergejj [24]

Answer:

The reason for the offspring to present these genotypes is that during the formation of the gametes, the alleles separate and are inherited independently, therefore they can generate several different phenotypic combinations.

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Mendel's second law is called the Law of segregation. This law explains that the alleles (which determine the characteristics of individuals) are separated in the formation of gametes and inherited by the offspring of a cross independently, and can generate different combinations of phenotypes, when the parents of a cross are heterozygous.

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