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SVETLANKA909090 [29]
3 years ago
11

A machine a-makes work easier to do b- changes the size of force needed c-can change the direction or distance of the force d- a

ll of the above
Biology
2 answers:
Ivan3 years ago
5 0
D - All of the above
because a machine can do all of those things.
Marina CMI [18]3 years ago
4 0

the answer is

D - all of the above

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A taiga biome is DIFFERENT from a tundra biome because it has
AysviL [449]

Answer:

The correct answer would be A) many coniferous trees.

Taiga and tundra represent the two coldest biomes of the land on the planet.

The average annual temperature of taiga lies between 41° Fahrenheit and 23° Fahrenheit whereas the temperature of the tundra lies below 23° Fahrenheit throughout the year.

It makes the major difference between the plant life of the two biomes. The taiga is characterized by the presence of coniferous forests which consist of spruces, pines, and larches.

In contrast, vegetation in the tundra is mainly composed of grasses, shrubs, mosses, sedges, and lichens.

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Achondroplastic dwarfism is autosomal dominant condition caused by a gene on chromosome number 4. Color blindness is an X-linked
klio [65]

Answer:

All of their sons would be colour blind

Explanation:

Given that colour blindness is X linked recessive condition which means that the gene is located on X chromosome and when present in recessive homozygous condition, it will be expressed. Hence if XC is dominant allele and Xc is recessive allele, XcY and XcXc will be colourblind.

The male has normal vision and males have only one X chromosome so his genotype is XCY.

The female is colourblind and females have two X chromosomes so her genotype is XcXc.

Their children:

       XC       Y

Xc  XCXc XcY

Xc  XCXc  XcY

All the sons have XcY genotype where gene for colourblindness is in recessive condition hence all of their sons would be colourblind.

3 0
4 years ago
1 424 Quiz
olga_2 [115]

Answer:

A to meet needs through collective effort

Explanation:

Picture as proof

6 0
3 years ago
Color-blindness is an x-linked recessive condition. a man with normal vision is married to a woman with normal vision, but whose
pentagon [3]
Since color blindness is a sex-linked recessive genetic disorder, it is carried by a X chromosome. Males (XY) are affected if they get the affected X from their mother, since males only have one X, and it is therefore always expressed. Females (XX), however, get one X from their mother and the other from their father. So both parents have to pass a color blind X to be affected (both alleles, by the definition of recessive).
Even though the mother is not affected, she's carrying it because her father was color blind. And the father is not affected. However, in Turner's Syndrome, one X is destroyed after fertilization, so the other X is the daughter's primary (only remaining) X. Note: Turners only affects females. Therefore, this is a rare situation in which a daughter gets affected by an X-linked recessive condition.
4 0
3 years ago
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