Answer:
A barometer
Explanation:
It is commonly used to measure atmospheric pressure
The soon to be male organism, developing from the zygote, receives or inherits the X chromosome from his mother. His father provides him the y chromosome, the smaller of the 2 sex chromosomes.
Answer:
d they respond to pathogens
Answer: its in the center
Explanation:
Correct answer: D
A pollen is where male gametes are produced and so the number of chromosomes, as we are talking about gametes, is n. This means that the grain of pollen will only have a copy of each gene, and therefore only one allele for each gene - one S, and one T or t. So, the possible combinations are ST and St.
