Question

check my answers?

Answer 1

Reproduction by mitosis duplicates:


chromosomes
genes
DNA
all of the above

id go with D.

Answer 2

@_Cierra_

Answer 3

Cells having matched pairs of chromosomes are:


diploid
haploid
homologous
homozygous

A.

Answer 4

Normally, how many chromosomes are required to determine the outward expression of a trait?


only one
any two
a homologous pair
two pairs

C.

Answer 5

When DNA is duplicated during mitosis:


one completely new DNA molecule is formed
two completely new DNA molecules are formed
two molecules are formed, each with an original "upright"
the original molecule thickens and separates into two

B.

Answer 6

The most significant characteristic of sexual reproduction is:


genetic identity
genetic variability
multiple offspring
unlimited variation

id say either B, or C.

Answer 7

Adaptation is possible due to the known mechanism of:


genetic recombination
evolution
mutations
mitosis

A or B.

Answer 8

By what reproductive mechanism does a haplontic animal grow?


initially mitosis, then meiosis
completely by mitosis
completely by meiosis
initially by meiosis, then by mitosis

D

Answer 9

By what mechanism does a diplontic animal grow?


mitosis
binary fission
isogamous fertilization
meiosis

D.

Answer 10

What is the function of the gametophyte generation of the fern plant?


produces reproductive organs which produce a zygote
produces meiospores which grow into a sporophyte plant
produces a new fern asexually
grows as a diploid fern

C.

Answer 11

About one year is required in the gymnosperm:


to develop the egg
to grow the male and female cones
between pollination and fertilization
between fertilization and germination

A or B

Answer 12

that's it for now.

Answer 13

help please ik your there

Answer 14

@lovenaffection18