Answer:
It would be B
Explanation:
By doing the punnet square, you get BB, BB ,Bb, Bb, of which 50% are heterozygous.
What's up? i learned this a pretty long time ago so bear with me
all cells: dna, nucleus, ribosome, cytoplasm, cell membrane, (mitochondria??)
1/2: cell wall, vesicles
i think i may be wrong on mitochondria, again i honestly forget this due to the school system kinda failing us
Answer:
Plants absorb carbon dioxide,water and sunlight to make their own food,grow and release oxygen through photosynthesis. They're also huge part in keeping our air clean, The carbon becomes part of the plant ; When humans burn fossil fuels, most carbon enters the atmosphere as carbon dioxide.
Explanation:
The probability of having a second child presenting the desease is 25% (i think so)
