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aev [14]
3 years ago
13

Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Patau syndrome occurs whe

n an individual has an extra copy of chromosome 13, giving them three copies. Symptoms of Patau syndrome include extra digits, seizures, and cleft palate. Which word would geneticists use to describe the cause of Patau syndrome?
diploidy
homologous
heterozygous
trisomy
Biology
1 answer:
Semmy [17]3 years ago
4 0

Answer:

Trisomy "can be used to describe as a genetic disorder that is caused my an extra copy of chromosome number 13"

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What is a defining feature of mammals that is not present in most other vertebrates?
iren2701 [21]

Answer:

The correct answer is C. Mammals can produce milk for their offspring.

Mammals are the members of class mammalia. The word mammalia was derived from Latin word "mamma" which means "breasts" as they had a unique feature i.e. presence of mammary glands.

These glands were evolved from a special types of sweat glands and became specialized in the production of milk, especially in females.

They help the mothers in providing nourishment to the offspring.

Other features of mammals may include four chambered heart, hair and fur, three middle ear bones, etc.

Explanation:

6 0
3 years ago
What improves the productivity of cellular respiration?.
postnew [5]

Answer:

highly folded surface of the inner mitochondrial membrane

Explanation:

hope I helped <3

5 0
2 years ago
The plasma cells of the immune system are responsible for secreting protein antibodies into the bloodstream. Within the plasma c
Butoxors [25]

Answer:

Ribosomes, endoplasmic reticulum, Golgi apparatus, vesicles.

Explanation:

The endomembrane system in eukaryotes has divided the cell organelles into the structural and functional unit. This system plays an important role in the protein processing, its sorting and transport of protein.

The protein is prepared from the plasma cells. The antibodies is made on the ribosomes by the translation process. From the ribosomes, it will move to the endoplasmic reticulum for the glycosylation and protein folding. Then it moves to the golgi for the further protein packaging and processing. With the help of the vesicles it moves to its destination part in the cell.

Thus, the correct answer is option (d).

8 0
3 years ago
Which factor found in breast milk has been shown to offer protective benefits to the breastfeeding infant?
erma4kov [3.2K]
Breast milk has been known for making healthier babies. Nucleotides found in human breast milk has been shown to boost the immune system in infants.
7 0
3 years ago
What factor defines all groups in the Köppen system, with the exception of dry climates? evaporation precipitation air pressure
Liula [17]

Answer:

temperature

Explanation:

I choose temperature because it tells how hot,cold,dry and warm somethings are meanwhile evaporation is when water changes from liquid to gas,so that means water gets hot.

Precipitation is when water released from the cloud to form rain,freezing rain,sleet,snow,or hail.Which means thing get cold.

Air pressure also affect evaporation, which means that water will not be able to come up of the surface of a body of water.So that means the the pressure will be pushing down on the surface of the water.

7 0
3 years ago
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