Answer:
50% homozygous dominant, 50% heterozygous, 0% homozygous recessive
There is a 3/4 chance their offspring will be black. If you make a Punnett's (I hope that's how you spell it) square then you will find that one offspring will be homozygous for black hair, two will be heterozygous with black hair, and one will be homozygous with brown hair. Therefore, there's a 3/4 chance the offspring will have black hair. Hope this helped!
Photosynthesis takes in carbon dioxide and releases oxygen as a product, so the answer is D.
Answer:
a
Explanation:
generally there are four types of cell signaling. this a common mcq which was asked several times.
