Answer:
In humans, both sperms and ova contain 23 chromosomes.
Explanation:
During fertilization, the diploid chromosome number 46 is regenerated in the zygote. After 24 hours of fusion, human zygote starts to divide by mitosis, commencing the embryonic period. The zygote is divided into 2-cells, 4-cells, 8- cells and then 16-cells
Answer:
Someone with blood type O has neither the A nor the B allele
Explanation:
The genotype must be AB. Someone with blood type O has neither the A nor the B allele. The genotype must be OO.
Answer:
A. Intracellular Thirst
Explanation:
There are two types of thirst and intracellular thirst and extracellular thirst. Extracellular thirst (dehydration) can be ruled out as it only requires water and salt to regenerate blood, at it's correct osmality. On the other hand, intracellular thirst (dehydration) can be corrected by drinking water alone. Therefore, the answer to this problem is intracellular thirst due to thirst for plain water.
True.
A dichotomous key breaks down an organisms characteristics until you can fully identify it.
