The answer is purple and smooth.
It is known that the in dihybrid cross (a cross between two
different traits), the phenotypic ratio between the offspring of two heterozygous parents in the F2
generation is 9:3:3:1.
<span>purple and smooth = 75 (</span><span>≈ 9 </span><span>· 8)</span>
<span>white and smooth = 28 (</span><span>≈ 3 </span><span>· 8)</span>
<span>purple and wrinkled = 24 (= 3 </span><span>· 8)</span>
<span>white and wrinkled = 8 (= 1 </span><span>· 8)</span>
<span>
</span>
So, the ratio between the offspring is close to 9:3:3:1 in F2 generation.
This means, that the only heterozygotes are present in the F1 generation, and they must be purple and smooth.
Answer:
* Scientists use genes to explain why evolution happens.
<span>Motor end plates are associated with muscular contractions.
Motor end plates are the large and complex end formation of a motor neuron that
builds contact with the skeletal muscle fibers. Without motor end plates,
muscular contractions will not be possible. This works highly during emergency
situations where the body takes a fight or flight reaction. <span>
<span>A good
example is when the fingers touch a burning candle; these motor end plates get
quick impulses from the brain and send
signals to the muscles to move it away to prevent further damage to the body. Without
motor end plates we would be in a heap of trouble as this is the mechanism of
the body responsible for motor skills and quick reaction time.</span></span></span>
Growth is the answer you're looking for I think.
Answer: Oogenesis
Explanation:
Oogenesis is a process in female reproductive system in which a matured ovum is formed from egg cell.
In human reproductive system one mature ovum is produced from four haploid cells during meiosis. This ovum is very large and it unite with the sperm to produce zygote.
There are three stages of Oogenesis, the multiplication phase,the growth phase and maturation phase.
In the multiplication phase, the germinal cells divide to form oogonia. The oogonia multiply and form oocytes. The oocytes pass through the growth phase and mature to form ovum.
