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myrzilka [38]
3 years ago
13

1 connection between mutations and reproduction

Biology
2 answers:
Helen [10]3 years ago
6 0

Answer:

An organism's DNA affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can cause changes in all aspects of its life. Mutations are essential to evolution; they are the raw material of genetic variation. Without mutation, evolution could not occur.

Explanation:

Hitman42 [59]3 years ago
6 0
Bsdbbsbshshhshshshshshsbsbsbsbbs
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An animal has a diploid chromosome number of 60. Suppose that the first meiotic division of a germ cell is normal, but a single
ella [17]

Answer:

Two gametes end up with 30 chromosomes, one gamete will have 31 and one will have 29.

Explanation:

During meiosis, a single diploid cell divides into four haploid cells with half the chromosome number than the parent cell.

During meiosis I, homologous chromosomes separate and the chromosome number in the two daughter cells goes down by half. During meiosis II, the "sister" chromatids separate, and the chromosome number in the respective daughter cells remains the same.

Non-disjunction of a single dyad in meiosis II causes that one of the daughter cells will have an extra chromosome, and another will be lacking one. The two other gametes will be normal.

I drew a simple example of what would happen during meiosis of a 2n=4 cell if there was non-disjunction in a single dyad during meiosis II.

5 0
3 years ago
Tall is dominant. If these two parents were to produce 50 offspring, what percentage would have the genetic makeup to be tall
lbvjy [14]

Answer:

B

Explanation:

Offspring would all have genes of TT, TT, Tt and Tt. All offspring have the dominant tall gene.

7 0
2 years ago
If there was no glucose available for plant and animal cells what would happen?
joja [24]

Answer:

Glucose is a sugar that many plants, animals and fungi use for energy. In plants, glucose is produced as a result of photosynthesis. Plants need the energy glucose provides in order to grow and reproduce. ... Without glucose, plants would not have the energy necessary to grow, reproduce or carry out cellular respiration.

Explanation:

UwU Hope I helped

4 0
2 years ago
Glaciers pick up large rocks and carry them away. This is called _____.
erma4kov [3.2K]

Answer: plucking

Plucking is a type of glacier erosion.Plucking occurs when the ice around the broken rocks, gets displaced with the force exerted by the retreating glacier. The glacier ice plucks the freezed rocks away along with it during glacier erosion.  

6 0
3 years ago
Why was domesticating and confining animals so important to the food supply of early civilization
bulgar [2K]

Answer:

Image result for why was domesticating and confining animals so important to the food supply of early civilization

Throughout history, people have bred domesticated animals to promote certain traits. Domestic animals are chosen for their ability to breed in captivity and for their calm temperament. Their ability to resist disease and survive in difficult climates is also valuable.

Explanation:

Domestication of animals help the humans in many ways for eg; Cows and goats gave them milk and meat , Cattle also helped them in ploughing the fields also Cattle and sheep are kept for their wool, skins, mea,t and milk, large animals can also be used to do physical work like carrying things or plowing the field

7 0
3 years ago
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