Answer:
The correct option is Number 1. AaBb x AaBb
Explanation:
Genes can be described as basic hereditary units. The genes are made up of DNA.
A gene carries two alleles for a particular trait. These alleles are present at the same loci in the homologous chromosomes. If the two alleles are similar then they are termed as homozygous e.g AA, BB. If the alleles for a trait are different then they are termed as heterozygous e.g Aa and Bb.
There may be a shortage of clean drinking water in the future
Answer:
"nucleic acids", "deoxyribose sugar, and the "phosphate"
Answer:
In space
Explanation:
Because it would be weird if it would be in earth's atmosphere, and hitting the sun is rare. Most likely to come from space
Answer:
They are usually found in the center and they are called embyro sacs.
Explanation: