Answer:
nucleus
Explanation:
Since the nucleus of the cell contains DNA (genetic material), she must focus on the nucleus.
The correct answer is: keloids
Keloids are formations of fibrous tissue that are formed over the wound to repair and protect the injury. Scar tissue overgrow and extends beyond the border of traumatized skin. Keloids are often flesh-colored, pink, or red and can cause itchy patch of skin.
a lack of resources cause organisms to fight for the resources and some organisms use said resources to obtain what they need to survive such as how predators act around a water hole.
Answer:
selective breeding
Explanation:
Artificial selection is also known as selective breeding
Answer:
1. 128
2. 16,384
Explanation:
Imagine there were two pairs of chromosomes:
A paired with B
C paired with D
A gamete could have the following combinations:
A + C
A + D
B + C
B + D
Therefore, with two pairs of chromosomes, there are 4 (2²) possibilities
With seven pairs of chromosomes, there are (2⁷) possibilities. 2⁷ = 128
For a zygote produced by two barley parents, there are two gametes fused. So we must multiply the number of combinations for each gamete. Therefore, number of possible genetic combinations is 128 x 128 = 16,384
