Muốn chắc chắn ở F2 thu được ít kiểu gen và kiểu hình nhất thì phải chọn lai hai cây F1 có kiểu gen và như thế nào?Tại sao
Answer:
Obama and biden come to mind because they both put troops in the middle east even after trump made peace there
<span>The question says, in one species of bird, there are three varieties of feather colour. What is this an example of? This is an example of condominance. Condominance is a type of dominance in which alleles of a gene pair in a heterozygote are fully expressed. This brings about an offspring that is neither dominant or recessive and the traits all get expressed.</span>
Answer:
The reason is that its flowering season is only spring.
Explanation:
Trees have different stages of transition, the flowering stage in some annual trees, that is, throughout the year. While others are only seasonal, respecting a season ... and even some do not bloom!
The flowering process is different from the vegetative process.