Answer:
i dont speak ur language sorry
Explanation:
The answer is d. you will recognize that heart tissue is tightly compacted and striated to allow the heart to beat, etc....
Answer:
The 'gene' which causes (inherited, red and green types of) colour blindness is found only on the X chromosome. So, for a male to be colour blind the colour blindness 'gene' only has to appear on his X chromosome. For a female to be colour blind it must be present on both of her X chromosomes.
Explanation:
