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mamaluj [8]
2 years ago
11

An acentric fragment is one result of crossing-over between a normal chromosome and a chromosome that has undergone what kind of

mutation?
Biology
1 answer:
Crank2 years ago
3 0

Answer:

paracentric inversion

Explanation:

A paracentric inversion happens as a result of a portion of one chromosome , or a packet of genetic information, which is flipped such that there are changes in the order of genetic information. Every of the chromosome has a part that is near the middle which is referred to as a centromere. Paracentric inversions do not include the involvement of the centromere of a chromosome.

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5. In four o'clock, red color exhibits incomplete dominance over white; when both exist together, the flowers are pink. i. In a
Anvisha [2.4K]

Answer:

The genotype of the offspring would be heterogeneous.

Explanation:

In four O'clock plants in case of incomplete dominance,  no colour is dominant. They are existing in an intermediate character / a new character. This new colour is pink, not white or red.

The white and red colour flowers are wild type and homogenous type. When the cross occurs and incomplete dominance happen, the F1 flower would be pink one but heterogeneous.

Because according to Mendel's deviation, there are such character appears where neither dominant nor the recessive are the only expressive traits. This has seen in incomplete dominance.

In codominance, which is the another Mendelian deviation, where both the characters has expressed. For example the rose flower having both red and white dots in it. The expression two colours / dominant and recessive characters in the flower is called codominance. Because both expresses at the same time. This codominance genotype is also heterogeneous.

6 0
3 years ago
2. Natural selection is an example of a mechanism of evolution. Does this mechanism produce a change
nikdorinn [45]

Answer:yes

Explanation:natural selection does produce a change in individuals as well as populations. Explanation: Natural selection is a process through which mother nature screens for the organisms that are best adapted to survive in a habitat.

6 0
2 years ago
What is true about the lagging strand during DNA replication?
BlackZzzverrR [31]

There are not only one but two correct option, which are A and B.

DNA polymerases begin their synthesis at many points of initiation. Following the binding of specific proteins, the double helix opens to allow startup.


DNA synthesis begins on RNA / DNA primers consisting of primase and DNA polymerase a. The replication continues in one direction: in this sense one of the two strands of the DNA ("direct" strand) is traversed by the enzyme in the 3 '→ 5' direction, which allows the synthesis of another strand in the direction 5 '→ 3'. The DNA-ligases then provide the link between the different fragments of the new DNA.


The synthesis of the other strand ("delayed" strand) is more complex because the enzyme travels this strand from 5 '→ 3'. The primase and DNA polymerase α synthesize 30 nucleotide primers in front of the replication zone, and the DNA polymerase constructs small DNA fragments in the 5 '→ 3' direction (approximately 200 nucleotides; Okazaki). Ribonucleases destroy the RNA / DNA primers of the previous fragment and the fragments are then linked together by DNA ligase.

3 0
3 years ago
Which refers to the rate of change in velocity?
ValentinkaMS [17]

The answer is B. Acceleration

Acceleration definition- In mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities. The orientation of an object's acceleration is given by the orientation of the net force acting on that object.

7 0
3 years ago
Read 2 more answers
When an animal cell is placed in a hypotonic solution:
photoshop1234 [79]
It will gain water and may burst.
5 0
3 years ago
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