Inbreeding involves the crossing of organisms that are genetically related to each other. What is a possible disadvantage of inbreeding?

Answers

Answer 1

Answer: Inbreeding compresses the gene pool, making it more likle for a genetic abbheration to occur.

Answer 2

Answer: Passing on negative mutations. This is seen by Cheetahs having sperm with low fertility. This was caused by nearly all of them dying out, which reduced the gene pool and meant they had to inbreed to avoid extinction.

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Which structural characteristic is seen in RNA but not in DNA? double strands a single strand chains of nucleotides a helical shape
Which of these statements is true for mating of wild animals in a natural setting?Wild animals have no preference for mates in a natural setting but show it in captivity. Wild animals never have any preference for mates. Wild animals always show preference for mates.
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Some roads are salted heavily in winter. Describe one way plants growing near these roads could be harmedby the salt.

Answers

The salt goes into the soil and dries up the plant, then it dies.

Answer:

Because unlike humans plants have no way of getting rid of extra salt from their system

Explanation:beacause

What fills up the space inside a cell?

Answers

Cytoplasm and the organelles

cytosol fills up 70% of the cell, hope that helps!

Which of these is a main organ in the nervous system?a. lungs
b. skin
c. heart
d. brain

Answers

the brain is the main oragan of the nervous system because it is the like the "control" center... it tells all your other nervous cells how to respond

Difference between epidermis and cork?

Answers

Epidermis:1. Single layered group of cells that cover plant leaves, flowers, root and stem. 2. It is permeable in nature. Protect against water loss, gas exchange and absorb water and minerals.

Cork:1. The cork is a water proof protective layer (bark) present on the cork trees. It consist of dead cells. 2. Impermeable in nature.

epidermis is the outer skin of plant till its stem is delicate and the outer portion is living.it is made up of living cells.
whereas
cork is the skin of adult tree which is made up of dead cells.

Which statement is FALSE about DNA and RNA?B) RNA uses the sugar ribose in its backbone, while DNA uses deoxyribose.
C) DNA contains the base uracil, while RNA contains the base thymine instead.
D) DNA contains the blueprint to make proteins and the three types of RNA help to make the proteins.
Eliminate

Answers

Answer:

The correct answer would be C) DNA contains the base uracil, while RNA contains the base thymine instead.

DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are both examples of nucleic acids.

They both are the polymers of nucleotide, however, DNA contains deoxyribose sugar and RNA contains ribose sugar.

In addition, DNA contains adenine, guanine, cytosine, and thymine as nitrogenous bases whereas RNA contains uracil in place of thymine.

DNA usually has a double-stranded structure whereas RNA usually has a single-stranded structure.

C is false because the reverse is true. Dna contains thymine

there are distinct differences and similarities between prokaryotes and eukaryotes; the similarities are

Answers

The similarities are...
- they both have DNA chromosomes (although prokaryotes have DNA chromosomes in the form of a single stranded loop and eukaryotes have DNA chromosomes that are linear and thread like)
- they both have ribosomes (although ribosomes in prokaryotes are scattered in the cytoplasm and ribosomes in eukaryotes are either attached to the rough ER or free in the cytoplasm)
- they both have cell membranes
- some prokaryotes (bacteria) and some eukaryotes (fungi, plants and some protists) have cell walls

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