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Brut [27]
3 years ago
8

How is it possible to explain one parent with curly hair, one parent with straight hair, and

Biology
2 answers:
melomori [17]3 years ago
8 0

Answer:

Let's assume curly hair is the dominant trait and trait hair is the recessive trait.

Therefore, our cross is AA x aa. Drawing a Punnett square will then give us all heterozygous individuals.

there for all offspring with have wavy hair

Explanation:

faust18 [17]3 years ago
8 0

Answer:

Genetic Variation

Explanation:

Mutations, gene flow, and sexual reproduction causes genetic variation. Mutatio is the changes in the sequence of genes in the DNA. Gene flow is the movement of genes from one organism to another,  and sexual reproduction, is where new combinations of genes are created.

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I REALLY NEED HELP. I DO NOT GET THIS AT ALL. PLEASE HELP ME. IT WILL BE GREATLY APPRECIATED.
kati45 [8]

Answer:

The test cross is shown below

      T         T

t      Tt         Tt

t       Tt         Tt

The alleles shown in the vertical side (tt) are recessive and come from the male parent. The alleles TT are dominant and come from the female parent.

For the variety of offsprings to be 100% tall, the recessive parent had to be crossed with a homozygous dominant parent.  If the female was heterozygous with which the cross was done,then there would be small tomato plants in the offspring generation.

3 0
3 years ago
the site of atapuerca in northern spain is one of the most important fossil hominin sites in europe. identify what the following
Temka [501]

There have be found some fossils of ancient remains over the years. What the fossils from Atapuerca revealed about the hominins living in Europe at this time is below:

  • The Skull is known to show Interbreeding that took place with neandertals and their relatively healthy population.

  • The Fragment shows that there was a possibility of cannibalism in that area.

It shows that possible cannibalism took place as there were Cutmarks on various hominin bones found at Atapuerca mirror.

The relatively healthy population was found out through the study of the dentition of the Atapuerca hominins by anthropologists. It gave them a view into their diet and overall health.

The interbreeding with the Neandertals was shown through the Nuclear DNA that was gotten from bones and teeth of bones found at Sima de los Huesos

learn more from

brainly.com/question/14012174

7 0
2 years ago
Name two benefits for the use of commercially produced chemical pesticides:
Mashcka [7]

Answer:

The benefits of pesticides include increased food production, increased profits for farmers and the prevention of diseases. Although pests consume or harm a large portion of agricultural crops, without the use of pesticides, it is likely that they would consume a higher percentage.

( I hope this helped, If it does, then give me five stars and a thanks ¯\_(ツ)_/¯ )

3 0
3 years ago
3. How is carbon added to the atmosphere?
vova2212 [387]

Answer:

Explanation:

Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement

7 0
2 years ago
Read pages 19 and 20 carefully and identify the correct solution.
algol [13]

Answer:

22.solution A is hypertonic

23.hypotonic

24.hypertonic

25.hypotonic

26.isotonic

7 0
2 years ago
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