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kaheart [24]
3 years ago
7

A disorder of the hand that creates a flexion deformity of the fingers is called:

Biology
1 answer:
SVEN [57.7K]3 years ago
6 0
Dupuytren's contracture
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Explain why it makes sense that sperm and egg cells have 1/2 the amount of chromosomes than a normal cell that is not involved i
Hoochie [10]

Answer:

The sperm and egg have 1/2 the amount because when the sperm fertilizes the egg, it equals out to the regular amount of chromosomes. That is why we have half chromosomes from our dad and half chromosomes from our mom, equaling out to normal amount of chromosomes.

4 0
3 years ago
Read 2 more answers
Understanding wobble rules select all the anticodons that could bind to the codon for serine. choose all that apply. check all t
Kipish [7]

A codon is a tree letter nucleotide sequence in the mRNA. The tRNA anticodon attached to the corresponding amino acid recognizes the mRNA codon. A single amino acid can have more than one codon. 

The serine codon can be one of the following:

<span>TCT, TCC, TCA, TCG, AGT, AGC</span>

8 0
3 years ago
Heyy
Free_Kalibri [48]

1. Bees, flies, wasps, butterflies, and moths are significant insect pollinators. Moths are drawn to white flowers that are open at night, but bees and butterflies are drawn to brilliantly colored blooms with powerful scents that are open during the day.

<h3>What is pollination?</h3>

The act of moving pollen grains from an anther to a flower's stigma is called pollination. Flowers that are pollinated by insects typically generate a sweet nectar that the insects visit to consume. If a flower is self-pollinating, fertilization occurs when pollen stock from an insect contacts the stigma of the bloom. If the bug is bisexual, it will fly to another bloom and disperse the pollen.

2. Most flowers advertise themselves by being brightly colored and perched on long stems so they wave in the air and are closer to where insects are flying, as opposed to on the ground, where they would otherwise be. A flower's petal sizes and shapes, in addition to color, can draw insects.

3. Flowers draw insects because of their aroma or vibrantly colored petals. Nectar is a delicious liquid that many flowers generate that is consumed by insects. The female part of the flower is the carpel.

Answer 2. Flowers that are pollinated by insects have characteristics that enable insects, birds, or other animals to pollinate them while consuming the nectar. When an insect brushes by the stigma of a flower, whether it is the same bloom or another, pollen grains will adhere to the insect's outer layer and stick to the flower's stigma, pollinating the flower. When the two seˣ cells combine, fertilization occurs, the ovule develops into a seed, and the ovary becomes a fruit. The pollen grain then grows a pollen tube down the style to reach the ovary, which contains the ovules.

For more information regarding pollination, visit:

brainly.com/question/20563422

#SPJ1

6 0
2 years ago
Homozygotes with two sickle-cell alleles are selected against because of mortality. However, heterozygotes for sickle-cell allel
grigory [225]

Answer:

Increased frequency of the allele for sickle cell anemia

Explanation:

Sickle cell anemia is fatal in homozygous genotype. The homozygous genotype having two copies of the allele for sickle cell anemia is not favored by natural selection due to its reduced survival success.

However, the heterozygous genotype for sickle cell anemia with one allele for the disease exhibit malaria resistant. The presence of one allele is not fatal for the organisms as the presence of one normal allele ensures the formation of some normal hemoglobin protein and RBCs to support the oxygen delivery to the body parts.

The increased survival success of heterozygous genotype in malaria-prone regions allowed their natural selection. This increased the frequency of allele for the sickle cell anemia in the gene pool of the local population and increased the frequency of heterozygous dominant genotype.

8 0
3 years ago
Hurricanes are more destructive than tornados due to _____.
Tems11 [23]

C. The combination of high winds and flood waters.

Hope this helps you! :)

3 0
3 years ago
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