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r-ruslan [8.4K]
3 years ago
8

__________ reduces the oxygen content and increases the carbon monoxide of the mother's blood. This quickly reduces the oxygen a

vailable for the fetus. Further, the respiration rate slows and speeds up its heart. Nicotine and toxins appear in the blood.
Biology
2 answers:
kenny6666 [7]3 years ago
8 0

Answer:

smoking cigarettes .

Explanation:

Ivenika [448]3 years ago
4 0

Answer:

Smoking nicotine based product such as cigarette

Explanation:

When a pregnant mother smoke, she intakes various harmful chemicals such as lead, arsenic, nicotine, carbon monoxide etc. These harmful toxic substances directly mix with the blood and are carried to the fetus in the womb of the mother. The oxygen content in the blood reduces due to which the heart beat rate of the baby increases and there are high chances of baby developing some kind of respiratory disorder.

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Musya8 [376]

Explanation:

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8 0
2 years ago
In peas, yellow seeds (Y) are dominant over green seeds (y). If a yy plant is crossed with a YY plant, what ratio of plants in t
LenKa [72]

The ratio of yellow seed phenotype with green seed color seed offsprings will be 4:0.

Explanation:

Given that:

Dominant trait is Y (yellow seed color)

recessive trait is y (green seeds color)

cross between YY and yy, According Mendelian Genetics dominant trait will be seen in phenotype as it masks the effect of recessive gene.

Punnet square shows that:

    Y      Y

y   Yy    Yy

y   Yy     Yy

All the plants produced will be tall phenotype.

The yellow seed plant plants will be heterozygous i.e Yy

the phenotype ratio is 4:0

The genotype ratio is 4:0

The genotype of the offspring is Yy

phenotype is yellow colored seed plant.

6 0
3 years ago
Can someone help me with the entire gizmo?<br>it’s the natural selection gizmo
jarptica [38.1K]

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Since velocity describes both speed and direction, you can call it
Ray Of Light [21]

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