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serious [3.7K]
4 years ago
7

Describe how synapsis occurs

Biology
1 answer:
Butoxors [25]4 years ago
4 0
Synapsis or syndesis is the pairing of two homologous chromosomes that happens during meiosis. It allows the two homologous chromosomes to match up in pairs prior to their segregation. And a possibility of the chromosomes crossing over in between them.

I hope I helped :)
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What two substances are the ingredients of cellular respiration and the products of photosynthesis?
solong [7]

Answer: Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

Hope this helps... Stay safe and have a great day/night!!!!! :D

8 0
3 years ago
Read 2 more answers
Why do you think that individuals whose genotype is heterozygous for the recessive
Travka [436]

Answer:

An individual whose genotype is heterozygous cannot be for the recessive

Explanation:There are two possible genotypes either homozygous dominant or heterozygous dominant. For a charecter there can be two gene .One is recessive and other one is dominant. In presence of the dominant gene the recessive gene of the same character cannot express . IF recessive gene is homozygous then only it will express .Therefore for the individual it is heterozygous for the dominant

6 0
3 years ago
What is the boundary between the earths lower mantle and the upper mantle called ?
Alenkasestr [34]

Answer:

i have trusted my best to answer

Explanation:

Edit

The upper mantle of Earth is a very thick layer of rock inside the planet, which begins just beneath the crust (at about 10 km (6.2 mi) under the oceans and about 35 km (22 mi) under the continents) and ends at the top of the lower mantle at 670 km (420 mi). Temperatures range from approximately 200 °C (392 °F) at the upper boundary with the crust to approximately 900 °C (1,650 °F) at the boundary with the lower mantle. Upper mantle material which has come up onto the surface is made up of about 55% olivine, 35% pyroxene and 5 to 10% of calcium oxide and aluminum oxide minerals such as plagioclase, spinel, or garnet, depending upon depth.

5 0
3 years ago
List 3 adaptations that permit the frog to live on land successfully
ryzh [129]
1. They have a slimy skin in which the oxygen gets dissolved. 2. The frog have lung instead of gills 3. They have enormous no. of nerves which help them to breathe through skin
6 0
3 years ago
What did Charles Darwin do that allowed him to make some significant
4vir4ik [10]

Answer:

Charles Darwin went to the Galapagos Island(s).

Explanation:

Charles Darwin took a boat to the Galapagos Island(s) to study plants and animals that proved to show some similarity between each other, such as two finches, which is actually one of his most popular discoveries.

5 0
3 years ago
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