3 years ago

1.

1 answer:

3 0

Answer:

All viruses that spread within their host tissues (systemically) can be transmitted by grafting branches or buds from diseased plants on healthy plants. Natural grafting and transmission are possible by root grafts and with parasitic dodder (Cuscuta species). Vegetative propagation often spreads plant viruses.

Explanation:

You might be interested in

Assume that Tay-Sachs disease only affects homozygous recessive individuals. If two parents are carriers, what are the chances t

babymother [125]

25% chance
If you understand how to use a punnett square it would help you out a lot for these problems.(;

7 0

3 years ago

Genetic variation is caused by _____ when homologous chromosomes exchange pieces of genetic information

balu736 [363]

Answer:

mutation,recobmadation, and immitigation

7 0

2 years ago

How are the terms chromatin and DNA related?

Ivan

Answer:

Chromatin is a substance within a chromosome consisting of DNA and protein. The DNA carries the cell's genetic instructions. The major proteins in chromatin are histones, which help package the DNA in a compact form that fits in the cell nucleus. Changes in chromatin structure are associated with DNA replication and gene expression.

Explanation:

5 0

3 years ago

In meiosis, one blank cell divides to make four blank cells

Eddi Din [679]

In meiosis, one diploid cell divides to make four haploid cells.

7 0

2 years ago

A cell began with 30 chromosomes. After meiosis, what can you expect?

julia-pushkina [17]

Answer:

Explanation:

Option 4 bescause theres 4 extra cell and they are haploid.

6 0

2 years ago