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Talja [164]
3 years ago
15

Many products and services were initially developed for space exploration. Which of these does NOT have a direct connection to s

pace exploration? A. X-ray machine B. freeze-dried food C. infrared ear thermometer D. portable cordless vacuum
Biology
2 answers:
cricket20 [7]3 years ago
7 0

Answer:

x-ray machine

Explanation:

madam [21]3 years ago
7 0

Answer:

The x-ray machine

Explanation:

Freeze dried food was developed with NASA. Food in space for the astronauts needed to have long shelf lives, be light, easy to pack, and easy to prepare.

The infrared ear thermometer was developed by Diatek and NASA using infrared astronomy technology to measure the infrared energy given off by the ear drum.

The portable cordless vacuum was developed by Black and Decker and NASA as a specialized drill to collect samples below the surface of  the moon.

The X-ray machine was invented in the 19th century, way before the space program and NASA.

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fredd [130]

Answer:

FfPp

Explanation:

If we take the two traits to be separate alleles, we can make flowers F (F is dominant; f is recessive) and pollen as P (P is dominant; p is recessive). So a pea plant with white flowers (recessive) and long pollen (dominant) will have the genotype ffPp or ffPP (because one dominant allele will express a dominant phenotype).

For this question, we will assume that the wild type (red flowers and long pollen) is homozygous, meaning it contains two dominant alleles.

If the wild type (FFPP) is crossed with the plant with white flowers and short pollen (ffpp), we can make a table illustrating the crosses. However, because there is only one possible gamete that each parent can form (FP and fp), we can assume that the F1 progeny will have identical genotypes, which can be expressed as FfPp (because combining the gamete from the wild type and the other parent can only give one phenotype).

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