In cats, the gene for coat color is located in the X chromosome. One allele codes for an orange coat (X B) and the other allele codes for a black coat (X b). A black male cat and a calico female cat are crossed. What i...
12.What is orange among them? 13.Do you think cats and tigers are in the same family? 7.What can’t fly, geese ,kites,planes,turkeys,rabbits,goats ,ducks and lambs? 8.Can you fly? 9.Which is bigger,a turkey or a 18.Can驴一样快速地跑象马? 11.What是绿色、土豆、蕃茄、黄瓜、...
12.What is orange among them? 13.Do you think cats and tigers are in the same family? 7.What can’t fly, geese ,kites,planes,turkeys,rabbits,goats ,ducks and lambs? 8.Can you fly? 9.Which is bigger,a turkey or a 18.Can驴一样快速地跑象马? 11.What是绿色、土豆、蕃茄、黄瓜、corr...