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SashulF [63]
2 years ago
10

Hairline shape is an inherited trait. The widow's peak allele is dominant over the straight hairline allele. If both parents hav

e a widow's peak, can they have a child with a straight hairline? Why or why not?
Biology
1 answer:
polet [3.4K]2 years ago
3 0

They can have a child with straight hairline even though they posses the dominant phenotype only if the genotype is heterozygous.

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The relationship between the bacterium xenorhabdus nematophila and its nematode host is
Vedmedyk [2.9K]

Answer:

The correct answer is - mutualistic.

Explanation:

The symbiosis or relationship between the bacterium xenorhabdus namtophilia and Steinernema carpocapsae, the nematode host is known as mutualistic or the cooperation in between them. Both the organisms live in a symbiosis in which both are benefited.

The nematode lives free till the early infective juvenile stage only. Bacterium present in both conditions as individual and with the symbiosis of the host.

Thus, the correct answer is - mutualistic.

8 0
2 years ago
If the rice already had the genes that could make vitamin A, why did scientists use genes from other organisms?
meriva

Answer:

A. The rice genes didn't make the right type of vitamin A.

Explanation:

Regular white rice does not have the gene to produce beta carotene. The human body converts the beta carotene into vitamin A.

To increase the nutritional value of rice, the gene for beta carotene from daffodil flowers was inserted into the cells of endosperm of rice.

This allowed these cells of the genetically engineered rice varieties to produce beta carotene. Production of beta carotene imparted golden color to the rice grain and hence, the name.

7 0
3 years ago
Which carbon compounds are formed over the course of the Calvin cycle? In what form of sugar to cells
Airida [17]

Answer:

xyxxuxuuxcu

Explanation:

xyyxyxxy

5 0
3 years ago
Describe what the completeness or integrity of an ecosystem biodiversity is used to measure
Scorpion4ik [409]

Answer:

Disruptions to any physical or biological component of an ecosystem can lead to shifts in all its populations. Biodiversity describes the variety of species found in Earth`s terrestrial and oceanic ecosystems. The completeness or integrity of an ecosystem`s biodiversity is often used as a measure of its health.

Explanation: Disruptions can really mess with any physical or biological component of a ecosystem then that ecosystem leads to shifts in all populations. I hope this answer helps you!

8 0
3 years ago
Net ___ productivity is the rate at which producers biomass is formed.
Kipish [7]
Net Primary Productivity.
7 0
2 years ago
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