Answer:
Seminal vesicles
Explanation:
The seminal vesicles also called vesicular glands are found only in some mammals. Those are paired tubular glands within the pelvis with the function to secrete fluid that will become the semen.
Male cat does not have a seminal vesicle, but do have other accessory glands that secrete the seminal fluid such as prostate gland and Cowper´s (bulbourethral) glands.
It is hard to name on that is responsible for all but polution has a large impact on our daily life,hope this helped
<span>An ecosystem<span> consists of a community of organisms together with their physical environment.
</span><span>Ecosystems can be of different sizes and can be marine, aquatic, or terrestrial. Broad categories of terrestrial ecosystems are called </span>biomes.
In an ecosystem, both matter and energy are conserved. Energy flows through the system—usually from light to heat—while matter is recycled.
<span>
Example - </span>a community<span> consists of all the populations of all the species that live together in a particular area. </span></span>
<h2>
The correct answer is: Both parent must be PP.</h2>
Explanation:
- The given question states that for flower color of the violet plants there are three phenotypes possible, purple, light purple and white.
- The flower color coding gene is governed by two variants or alleles in which there is an absence of complete dominance of one allele over the other as, if complete Mendelian dominance was there, only two phenotypes for flower color would have existed, purple and white, without the existence of any intermediate color, light purple.
- This indicates the existence of a Non-Mendelian pattern of inheritance with respect to the gene encoding for the violet flower color.
- As the intermediate phenotype of flower color is light violet, it indicates that in these plants neither of the two alleles are capable of showing dominance and this is an example of Incomplete dominance.
- Let the two alleles of the flower color coding gene be: P and p.
- Then the possible genotypes are: PP, Pp, pp.
- The corresponding phenotypes are: Purple, Light purple and White.
- Crossing all possible parents,
1. P P
P PP PP
Phenotypes (Purple) (Purple)
P PP PP
Phenotypes (Purple) (Purple)
2. P P
P PP PP
Phenotypes (Purple) (Purple)
p Pp Pp
Phenotypes (Light Purple) (Light Purple)
3. P p
P PP Pp
Phenotypes (Purple) (Light Purple)
p Pp pp
Phenotypes (Light Purple) (White)
4. P P
p Pp Pp
Phenotypes (Light Purple) (Light Purple)
p Pp Pp
Phenotypes (Light Purple) (Light Purple)
5. P p
p Pp pp
Phenotypes (Light Purple) (White)
p Pp pp
Phenotypes (Light Purple) (White)
6. p p
p pp pp
Phenotypes (White) (White)
p pp pp
Phenotypes (White) (White)
- According to the results of the above crosses, we find that the plant breeder should use such parents which are homozygous for the P allele, that is, both the parents must have the PP genotype. Then only all the offspring produced by crossing these parents will develop purple colored violet only.