Punnet squares are your friend with these kinds of questions :)
<u> A | a |</u>
A <u>| AA | Aa |</u>
a <u>| Aa | aa |</u>
Now we can easily see that 1/4 of the offspring will be AA, 1/2 will be Aa, and 1/4 will be aa. Therefore, it is the third answer that's correct (1/4 AA, 1/2 Aa, 1/4 aa). Hope this helps! :)
Answer:
C) gills
Explanation:
becausethe tadpoles starts to lose its gills and develop teeth. Soon after this their back legs develop, their diet changes and they become carnivorous
Answer:
attatch the images of the Petri dishes so we can further help in understanding this question
The most common cause is the accuracy of the measure instruments. And the observation of operator is also an important factor. That's why one measurement should do three times and use the average.
The answer to this question would be: 14 days.
The skin is consist of keratinized cells that will keep multiplying. The cells start at the stratum basale and will keep moving up changing the old ones until it ends up at the outermost layer of stratum corneum.This process will take time around 2 - 4 weeks.