Question 1: B: rapid water drainage
Answer:
50%
Explanation:
Let's assume that the allele "T" gives the normal phenotype while the recessive allele "t" imparts the disease and is lethal in homozygous condition. The genotype of each of the two carrier parents would be "Tt". A cross between Tt and Tt would give the progeny in the following genotype ratio=
Tt x Tt= 1/4 TT: 1/2 Tt: 1/4 tt
Therefore, 1/2 or 50% progeny would be the carrier for the Tay-Sachs disease.
Answer:
Soil is a natural resource that can be categorised into different soil types, each with distinct characteristics that provide growing benefits and limitations. ... Soil can be categorised into sand, clay, silt, peat, chalk and loam types of soil based on the dominating size of the particles within a soil.
Explanation:
One good reason would be that they could give someone, or many people who are in desperate need of a new organ, a second chance at life.