3 years ago

CAN SOMEONE PLEASE HELP ME!!!!

1 answer:

8 0

When the ride is at the top of its pole, it has all potential energy. When it is in the middle, at 34 meters, it has 50% potential energy and 50% kinetic energy. When the ride is almost at the bottom, it has kinetic energy that turns into potential energy as it reaches the end.

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A newly discovered species of dung beetle has 2n = 16 chromosomes. It mates with a closely related beetle species that has 2n =

Kamila [148]

Answer:

Option 3, 20 or 22

Explanation:

A newly discovered species of dung beetle has 2n = 16 chromosomes. It mates with a closely related beetle species that has 2n = 12 chromosomes. How many chromosomes would there be in an allotriploid beetle produced from this cross?

40 or 44
20 or 22
20 or 22
36 or 48
40 or 44

Solution

An allotriploid is a species which contains three sets of chromosomes of different species .Crossing can result in triploid offspring with diploid gamete of one species and regular haploid gamete of other offspring

Case I - Resulting offspring (3n) = Gamete I (2n) + Gamete II (n)

Case II - Resulting offspring (3n) = Gamete II (2n) + Gamete I (n)

Case I

$2* 8 + 6 \\= 16 + 6 \\= 22$

Case II

$2* 6 + 8\\= 12 + 8\\= 20$

Hence, option 3 is correct

3 0

4 years ago