Answer:
The presence of an additional chromosome
Explanation:
Look at "pair" 21. See how there are THREE chromosomes instead of TWO? Normally, there would only be two chromosomes in each pair but this karyotype shows a trisomy (see def. below) of the 21st pair. This was caused by a nondisjunction mutation of the 21st pair. The is also the karyotype of a person with Down's Syndrome.
Definition of Trisomy:
A condition of the presence of three chromosomes in a pair instead of two. This normally causes developmental irregularity.
The trait the phenotype that's masked with a different allele is a recessive.
To put it simply: Sandpaper
Answer: Option D.
There is not enough information to know way the fruit will look like.
Explanation:
Rootstock is the underground part that is inside the soil.
The scion is the above part that is normally grafted to the rootstock. The scion develop into shoots and give rise to plant leaves, fruits, flowers e.t.c.
Scion is chosen base on the desired characteristics you want the plants to be.
Scion can be choose to get large fruits or pink flowers e.t.c.
The above question did not state what type of scion was chosen or used to produce a desired fruit.
yes it is correct I would say since in the first place they had to umm... you know... for the female to make fish eggs
